Add "GET_CAPABILITY acs" to allow ACS build option to be detected
[mech_eap.git] / wpa_supplicant / ctrl_iface.c
1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8
9 #include "utils/includes.h"
10 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "common/version.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "common/wpa_ctrl.h"
22 #include "crypto/tls.h"
23 #include "ap/hostapd.h"
24 #include "eap_peer/eap.h"
25 #include "eapol_supp/eapol_supp_sm.h"
26 #include "rsn_supp/wpa.h"
27 #include "rsn_supp/preauth.h"
28 #include "rsn_supp/pmksa_cache.h"
29 #include "l2_packet/l2_packet.h"
30 #include "wps/wps.h"
31 #include "fst/fst.h"
32 #include "fst/fst_ctrl_iface.h"
33 #include "config.h"
34 #include "wpa_supplicant_i.h"
35 #include "driver_i.h"
36 #include "wps_supplicant.h"
37 #include "ibss_rsn.h"
38 #include "ap.h"
39 #include "p2p_supplicant.h"
40 #include "p2p/p2p.h"
41 #include "hs20_supplicant.h"
42 #include "wifi_display.h"
43 #include "notify.h"
44 #include "bss.h"
45 #include "scan.h"
46 #include "ctrl_iface.h"
47 #include "interworking.h"
48 #include "blacklist.h"
49 #include "autoscan.h"
50 #include "wnm_sta.h"
51 #include "offchannel.h"
52 #include "drivers/driver.h"
53 #include "mesh.h"
54
55 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
56                                             char *buf, int len);
57 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
58                                                   char *buf, int len);
59 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
60                                         char *val);
61
62 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
63 {
64         char *pos;
65         u8 addr[ETH_ALEN], *filter = NULL, *n;
66         size_t count = 0;
67
68         pos = val;
69         while (pos) {
70                 if (*pos == '\0')
71                         break;
72                 if (hwaddr_aton(pos, addr)) {
73                         os_free(filter);
74                         return -1;
75                 }
76                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
77                 if (n == NULL) {
78                         os_free(filter);
79                         return -1;
80                 }
81                 filter = n;
82                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
83                 count++;
84
85                 pos = os_strchr(pos, ' ');
86                 if (pos)
87                         pos++;
88         }
89
90         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
91         os_free(wpa_s->bssid_filter);
92         wpa_s->bssid_filter = filter;
93         wpa_s->bssid_filter_count = count;
94
95         return 0;
96 }
97
98
99 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
100 {
101         char *pos;
102         u8 addr[ETH_ALEN], *bssid = NULL, *n;
103         struct wpa_ssid_value *ssid = NULL, *ns;
104         size_t count = 0, ssid_count = 0;
105         struct wpa_ssid *c;
106
107         /*
108          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
109          * SSID_SPEC ::= ssid <SSID_HEX>
110          * BSSID_SPEC ::= bssid <BSSID_HEX>
111          */
112
113         pos = val;
114         while (pos) {
115                 if (*pos == '\0')
116                         break;
117                 if (os_strncmp(pos, "bssid ", 6) == 0) {
118                         int res;
119                         pos += 6;
120                         res = hwaddr_aton2(pos, addr);
121                         if (res < 0) {
122                                 os_free(ssid);
123                                 os_free(bssid);
124                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
125                                            "BSSID value '%s'", pos);
126                                 return -1;
127                         }
128                         pos += res;
129                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
130                         if (n == NULL) {
131                                 os_free(ssid);
132                                 os_free(bssid);
133                                 return -1;
134                         }
135                         bssid = n;
136                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
137                         count++;
138                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
139                         char *end;
140                         pos += 5;
141
142                         end = pos;
143                         while (*end) {
144                                 if (*end == '\0' || *end == ' ')
145                                         break;
146                                 end++;
147                         }
148
149                         ns = os_realloc_array(ssid, ssid_count + 1,
150                                               sizeof(struct wpa_ssid_value));
151                         if (ns == NULL) {
152                                 os_free(ssid);
153                                 os_free(bssid);
154                                 return -1;
155                         }
156                         ssid = ns;
157
158                         if ((end - pos) & 0x01 ||
159                             end - pos > 2 * SSID_MAX_LEN ||
160                             hexstr2bin(pos, ssid[ssid_count].ssid,
161                                        (end - pos) / 2) < 0) {
162                                 os_free(ssid);
163                                 os_free(bssid);
164                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
165                                            "SSID value '%s'", pos);
166                                 return -1;
167                         }
168                         ssid[ssid_count].ssid_len = (end - pos) / 2;
169                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
170                                           ssid[ssid_count].ssid,
171                                           ssid[ssid_count].ssid_len);
172                         ssid_count++;
173                         pos = end;
174                 } else {
175                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
176                                    "'%s'", pos);
177                         os_free(ssid);
178                         os_free(bssid);
179                         return -1;
180                 }
181
182                 pos = os_strchr(pos, ' ');
183                 if (pos)
184                         pos++;
185         }
186
187         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
188         os_free(wpa_s->disallow_aps_bssid);
189         wpa_s->disallow_aps_bssid = bssid;
190         wpa_s->disallow_aps_bssid_count = count;
191
192         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
193         os_free(wpa_s->disallow_aps_ssid);
194         wpa_s->disallow_aps_ssid = ssid;
195         wpa_s->disallow_aps_ssid_count = ssid_count;
196
197         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
198                 return 0;
199
200         c = wpa_s->current_ssid;
201         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
202                 return 0;
203
204         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
205             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
206                 return 0;
207
208         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
209                    "because current AP was marked disallowed");
210
211 #ifdef CONFIG_SME
212         wpa_s->sme.prev_bssid_set = 0;
213 #endif /* CONFIG_SME */
214         wpa_s->reassociate = 1;
215         wpa_s->own_disconnect_req = 1;
216         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
217         wpa_supplicant_req_scan(wpa_s, 0, 0);
218
219         return 0;
220 }
221
222
223 #ifndef CONFIG_NO_CONFIG_BLOBS
224 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
225 {
226         char *name = pos;
227         struct wpa_config_blob *blob;
228         size_t len;
229
230         pos = os_strchr(pos, ' ');
231         if (pos == NULL)
232                 return -1;
233         *pos++ = '\0';
234         len = os_strlen(pos);
235         if (len & 1)
236                 return -1;
237
238         wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
239         blob = os_zalloc(sizeof(*blob));
240         if (blob == NULL)
241                 return -1;
242         blob->name = os_strdup(name);
243         blob->data = os_malloc(len / 2);
244         if (blob->name == NULL || blob->data == NULL) {
245                 wpa_config_free_blob(blob);
246                 return -1;
247         }
248
249         if (hexstr2bin(pos, blob->data, len / 2) < 0) {
250                 wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
251                 wpa_config_free_blob(blob);
252                 return -1;
253         }
254         blob->len = len / 2;
255
256         wpa_config_set_blob(wpa_s->conf, blob);
257
258         return 0;
259 }
260 #endif /* CONFIG_NO_CONFIG_BLOBS */
261
262
263 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
264 {
265         char *params;
266         char *pos;
267         int *freqs = NULL;
268         int ret;
269
270         if (atoi(cmd)) {
271                 params = os_strchr(cmd, ' ');
272                 os_free(wpa_s->manual_sched_scan_freqs);
273                 if (params) {
274                         params++;
275                         pos = os_strstr(params, "freq=");
276                         if (pos)
277                                 freqs = freq_range_to_channel_list(wpa_s,
278                                                                    pos + 5);
279                 }
280                 wpa_s->manual_sched_scan_freqs = freqs;
281                 ret = wpas_start_pno(wpa_s);
282         } else {
283                 ret = wpas_stop_pno(wpa_s);
284         }
285         return ret;
286 }
287
288
289 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
290 {
291         union wpa_event_data event;
292
293         if (os_strcmp(band, "AUTO") == 0)
294                 wpa_s->setband = WPA_SETBAND_AUTO;
295         else if (os_strcmp(band, "5G") == 0)
296                 wpa_s->setband = WPA_SETBAND_5G;
297         else if (os_strcmp(band, "2G") == 0)
298                 wpa_s->setband = WPA_SETBAND_2G;
299         else
300                 return -1;
301
302         if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
303                 os_memset(&event, 0, sizeof(event));
304                 event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
305                 event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
306                 wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
307         }
308
309         return 0;
310 }
311
312
313 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
314                                          char *cmd)
315 {
316         char *value;
317         int ret = 0;
318
319         value = os_strchr(cmd, ' ');
320         if (value == NULL)
321                 return -1;
322         *value++ = '\0';
323
324         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
325         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
326                 eapol_sm_configure(wpa_s->eapol,
327                                    atoi(value), -1, -1, -1);
328         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
329                 eapol_sm_configure(wpa_s->eapol,
330                                    -1, atoi(value), -1, -1);
331         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
332                 eapol_sm_configure(wpa_s->eapol,
333                                    -1, -1, atoi(value), -1);
334         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
335                 eapol_sm_configure(wpa_s->eapol,
336                                    -1, -1, -1, atoi(value));
337         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
338                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
339                                      atoi(value)))
340                         ret = -1;
341         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
342                    0) {
343                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
344                                      atoi(value)))
345                         ret = -1;
346         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
347                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
348                         ret = -1;
349         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
350                 wpa_s->wps_fragment_size = atoi(value);
351 #ifdef CONFIG_WPS_TESTING
352         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
353                 long int val;
354                 val = strtol(value, NULL, 0);
355                 if (val < 0 || val > 0xff) {
356                         ret = -1;
357                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
358                                    "wps_version_number %ld", val);
359                 } else {
360                         wps_version_number = val;
361                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
362                                    "version %u.%u",
363                                    (wps_version_number & 0xf0) >> 4,
364                                    wps_version_number & 0x0f);
365                 }
366         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
367                 wps_testing_dummy_cred = atoi(value);
368                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
369                            wps_testing_dummy_cred);
370         } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
371                 wps_corrupt_pkhash = atoi(value);
372                 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
373                            wps_corrupt_pkhash);
374 #endif /* CONFIG_WPS_TESTING */
375         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
376                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
377                         ret = -1;
378 #ifdef CONFIG_TDLS
379 #ifdef CONFIG_TDLS_TESTING
380         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
381                 extern unsigned int tdls_testing;
382                 tdls_testing = strtol(value, NULL, 0);
383                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
384 #endif /* CONFIG_TDLS_TESTING */
385         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
386                 int disabled = atoi(value);
387                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
388                 if (disabled) {
389                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
390                                 ret = -1;
391                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
392                         ret = -1;
393                 wpa_tdls_enable(wpa_s->wpa, !disabled);
394 #endif /* CONFIG_TDLS */
395         } else if (os_strcasecmp(cmd, "pno") == 0) {
396                 ret = wpas_ctrl_pno(wpa_s, value);
397         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
398                 int disabled = atoi(value);
399                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
400                         ret = -1;
401                 else if (disabled)
402                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
403         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
404                 if (os_strcmp(value, "disable") == 0)
405                         wpa_s->set_sta_uapsd = 0;
406                 else {
407                         int be, bk, vi, vo;
408                         char *pos;
409                         /* format: BE,BK,VI,VO;max SP Length */
410                         be = atoi(value);
411                         pos = os_strchr(value, ',');
412                         if (pos == NULL)
413                                 return -1;
414                         pos++;
415                         bk = atoi(pos);
416                         pos = os_strchr(pos, ',');
417                         if (pos == NULL)
418                                 return -1;
419                         pos++;
420                         vi = atoi(pos);
421                         pos = os_strchr(pos, ',');
422                         if (pos == NULL)
423                                 return -1;
424                         pos++;
425                         vo = atoi(pos);
426                         /* ignore max SP Length for now */
427
428                         wpa_s->set_sta_uapsd = 1;
429                         wpa_s->sta_uapsd = 0;
430                         if (be)
431                                 wpa_s->sta_uapsd |= BIT(0);
432                         if (bk)
433                                 wpa_s->sta_uapsd |= BIT(1);
434                         if (vi)
435                                 wpa_s->sta_uapsd |= BIT(2);
436                         if (vo)
437                                 wpa_s->sta_uapsd |= BIT(3);
438                 }
439         } else if (os_strcasecmp(cmd, "ps") == 0) {
440                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
441 #ifdef CONFIG_WIFI_DISPLAY
442         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
443                 int enabled = !!atoi(value);
444                 if (enabled && !wpa_s->global->p2p)
445                         ret = -1;
446                 else
447                         wifi_display_enable(wpa_s->global, enabled);
448 #endif /* CONFIG_WIFI_DISPLAY */
449         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
450                 ret = set_bssid_filter(wpa_s, value);
451         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
452                 ret = set_disallow_aps(wpa_s, value);
453         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
454                 wpa_s->no_keep_alive = !!atoi(value);
455 #ifdef CONFIG_TESTING_OPTIONS
456         } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
457                 wpa_s->ext_mgmt_frame_handling = !!atoi(value);
458         } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
459                 wpa_s->ext_eapol_frame_io = !!atoi(value);
460 #ifdef CONFIG_AP
461                 if (wpa_s->ap_iface) {
462                         wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
463                                 wpa_s->ext_eapol_frame_io;
464                 }
465 #endif /* CONFIG_AP */
466         } else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
467                 wpa_s->extra_roc_dur = atoi(value);
468         } else if (os_strcasecmp(cmd, "test_failure") == 0) {
469                 wpa_s->test_failure = atoi(value);
470         } else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
471                 wpa_s->p2p_go_csa_on_inv = !!atoi(value);
472 #endif /* CONFIG_TESTING_OPTIONS */
473 #ifndef CONFIG_NO_CONFIG_BLOBS
474         } else if (os_strcmp(cmd, "blob") == 0) {
475                 ret = wpas_ctrl_set_blob(wpa_s, value);
476 #endif /* CONFIG_NO_CONFIG_BLOBS */
477         } else if (os_strcasecmp(cmd, "setband") == 0) {
478                 ret = wpas_ctrl_set_band(wpa_s, value);
479         } else {
480                 value[-1] = '=';
481                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
482                 if (ret == 0)
483                         wpa_supplicant_update_config(wpa_s);
484         }
485
486         return ret;
487 }
488
489
490 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
491                                          char *cmd, char *buf, size_t buflen)
492 {
493         int res = -1;
494
495         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
496
497         if (os_strcmp(cmd, "version") == 0) {
498                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
499         } else if (os_strcasecmp(cmd, "country") == 0) {
500                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
501                         res = os_snprintf(buf, buflen, "%c%c",
502                                           wpa_s->conf->country[0],
503                                           wpa_s->conf->country[1]);
504 #ifdef CONFIG_WIFI_DISPLAY
505         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
506                 int enabled;
507                 if (wpa_s->global->p2p == NULL ||
508                     wpa_s->global->p2p_disabled)
509                         enabled = 0;
510                 else
511                         enabled = wpa_s->global->wifi_display;
512                 res = os_snprintf(buf, buflen, "%d", enabled);
513 #endif /* CONFIG_WIFI_DISPLAY */
514 #ifdef CONFIG_TESTING_GET_GTK
515         } else if (os_strcmp(cmd, "gtk") == 0) {
516                 if (wpa_s->last_gtk_len == 0)
517                         return -1;
518                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
519                                        wpa_s->last_gtk_len);
520                 return res;
521 #endif /* CONFIG_TESTING_GET_GTK */
522         } else if (os_strcmp(cmd, "tls_library") == 0) {
523                 res = tls_get_library_version(buf, buflen);
524         } else {
525                 res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
526         }
527
528         if (os_snprintf_error(buflen, res))
529                 return -1;
530         return res;
531 }
532
533
534 #ifdef IEEE8021X_EAPOL
535 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
536                                              char *addr)
537 {
538         u8 bssid[ETH_ALEN];
539         struct wpa_ssid *ssid = wpa_s->current_ssid;
540
541         if (hwaddr_aton(addr, bssid)) {
542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
543                            "'%s'", addr);
544                 return -1;
545         }
546
547         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
548         rsn_preauth_deinit(wpa_s->wpa);
549         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
550                 return -1;
551
552         return 0;
553 }
554 #endif /* IEEE8021X_EAPOL */
555
556
557 #ifdef CONFIG_PEERKEY
558 /* MLME-STKSTART.request(peer) */
559 static int wpa_supplicant_ctrl_iface_stkstart(
560         struct wpa_supplicant *wpa_s, char *addr)
561 {
562         u8 peer[ETH_ALEN];
563
564         if (hwaddr_aton(addr, peer)) {
565                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
566                            "address '%s'", addr);
567                 return -1;
568         }
569
570         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
571                    MAC2STR(peer));
572
573         return wpa_sm_stkstart(wpa_s->wpa, peer);
574 }
575 #endif /* CONFIG_PEERKEY */
576
577
578 #ifdef CONFIG_TDLS
579
580 static int wpa_supplicant_ctrl_iface_tdls_discover(
581         struct wpa_supplicant *wpa_s, char *addr)
582 {
583         u8 peer[ETH_ALEN];
584         int ret;
585
586         if (hwaddr_aton(addr, peer)) {
587                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
588                            "address '%s'", addr);
589                 return -1;
590         }
591
592         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
593                    MAC2STR(peer));
594
595         if (wpa_tdls_is_external_setup(wpa_s->wpa))
596                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
597         else
598                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
599
600         return ret;
601 }
602
603
604 static int wpa_supplicant_ctrl_iface_tdls_setup(
605         struct wpa_supplicant *wpa_s, char *addr)
606 {
607         u8 peer[ETH_ALEN];
608         int ret;
609
610         if (hwaddr_aton(addr, peer)) {
611                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
612                            "address '%s'", addr);
613                 return -1;
614         }
615
616         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
617                    MAC2STR(peer));
618
619         if ((wpa_s->conf->tdls_external_control) &&
620             wpa_tdls_is_external_setup(wpa_s->wpa))
621                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
622
623         wpa_tdls_remove(wpa_s->wpa, peer);
624
625         if (wpa_tdls_is_external_setup(wpa_s->wpa))
626                 ret = wpa_tdls_start(wpa_s->wpa, peer);
627         else
628                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
629
630         return ret;
631 }
632
633
634 static int wpa_supplicant_ctrl_iface_tdls_teardown(
635         struct wpa_supplicant *wpa_s, char *addr)
636 {
637         u8 peer[ETH_ALEN];
638         int ret;
639
640         if (os_strcmp(addr, "*") == 0) {
641                 /* remove everyone */
642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
643                 wpa_tdls_teardown_peers(wpa_s->wpa);
644                 return 0;
645         }
646
647         if (hwaddr_aton(addr, peer)) {
648                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
649                            "address '%s'", addr);
650                 return -1;
651         }
652
653         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
654                    MAC2STR(peer));
655
656         if ((wpa_s->conf->tdls_external_control) &&
657             wpa_tdls_is_external_setup(wpa_s->wpa))
658                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
659
660         if (wpa_tdls_is_external_setup(wpa_s->wpa))
661                 ret = wpa_tdls_teardown_link(
662                         wpa_s->wpa, peer,
663                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
664         else
665                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
666
667         return ret;
668 }
669
670
671 static int ctrl_iface_get_capability_tdls(
672         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
673 {
674         int ret;
675
676         ret = os_snprintf(buf, buflen, "%s\n",
677                           wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
678                           (wpa_s->drv_flags &
679                            WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
680                            "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
681         if (os_snprintf_error(buflen, ret))
682                 return -1;
683         return ret;
684 }
685
686
687 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
688         struct wpa_supplicant *wpa_s, char *cmd)
689 {
690         u8 peer[ETH_ALEN];
691         struct hostapd_freq_params freq_params;
692         u8 oper_class;
693         char *pos, *end;
694
695         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
696                 wpa_printf(MSG_INFO,
697                            "tdls_chanswitch: Only supported with external setup");
698                 return -1;
699         }
700
701         os_memset(&freq_params, 0, sizeof(freq_params));
702
703         pos = os_strchr(cmd, ' ');
704         if (pos == NULL)
705                 return -1;
706         *pos++ = '\0';
707
708         oper_class = strtol(pos, &end, 10);
709         if (pos == end) {
710                 wpa_printf(MSG_INFO,
711                            "tdls_chanswitch: Invalid op class provided");
712                 return -1;
713         }
714
715         pos = end;
716         freq_params.freq = atoi(pos);
717         if (freq_params.freq == 0) {
718                 wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
719                 return -1;
720         }
721
722 #define SET_FREQ_SETTING(str) \
723         do { \
724                 const char *pos2 = os_strstr(pos, " " #str "="); \
725                 if (pos2) { \
726                         pos2 += sizeof(" " #str "=") - 1; \
727                         freq_params.str = atoi(pos2); \
728                 } \
729         } while (0)
730
731         SET_FREQ_SETTING(center_freq1);
732         SET_FREQ_SETTING(center_freq2);
733         SET_FREQ_SETTING(bandwidth);
734         SET_FREQ_SETTING(sec_channel_offset);
735 #undef SET_FREQ_SETTING
736
737         freq_params.ht_enabled = !!os_strstr(pos, " ht");
738         freq_params.vht_enabled = !!os_strstr(pos, " vht");
739
740         if (hwaddr_aton(cmd, peer)) {
741                 wpa_printf(MSG_DEBUG,
742                            "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
743                            cmd);
744                 return -1;
745         }
746
747         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
748                    " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
749                    MAC2STR(peer), oper_class, freq_params.freq,
750                    freq_params.center_freq1, freq_params.center_freq2,
751                    freq_params.bandwidth, freq_params.sec_channel_offset,
752                    freq_params.ht_enabled ? " HT" : "",
753                    freq_params.vht_enabled ? " VHT" : "");
754
755         return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
756                                            &freq_params);
757 }
758
759
760 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
761         struct wpa_supplicant *wpa_s, char *cmd)
762 {
763         u8 peer[ETH_ALEN];
764
765         if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
766                 wpa_printf(MSG_INFO,
767                            "tdls_chanswitch: Only supported with external setup");
768                 return -1;
769         }
770
771         if (hwaddr_aton(cmd, peer)) {
772                 wpa_printf(MSG_DEBUG,
773                            "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
774                            cmd);
775                 return -1;
776         }
777
778         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
779                    MAC2STR(peer));
780
781         return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
782 }
783
784
785 static int wpa_supplicant_ctrl_iface_tdls_link_status(
786         struct wpa_supplicant *wpa_s, const char *addr,
787         char *buf, size_t buflen)
788 {
789         u8 peer[ETH_ALEN];
790         const char *tdls_status;
791         int ret;
792
793         if (hwaddr_aton(addr, peer)) {
794                 wpa_printf(MSG_DEBUG,
795                            "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
796                            addr);
797                 return -1;
798         }
799         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
800                    MAC2STR(peer));
801
802         tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
803         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
804         ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
805         if (os_snprintf_error(buflen, ret))
806                 return -1;
807
808         return ret;
809 }
810
811 #endif /* CONFIG_TDLS */
812
813
814 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
815 {
816         char *token, *context = NULL;
817         struct wmm_ac_ts_setup_params params = {
818                 .tsid = 0xff,
819                 .direction = 0xff,
820         };
821
822         while ((token = str_token(cmd, " ", &context))) {
823                 if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
824                     sscanf(token, "up=%i", &params.user_priority) == 1 ||
825                     sscanf(token, "nominal_msdu_size=%i",
826                            &params.nominal_msdu_size) == 1 ||
827                     sscanf(token, "mean_data_rate=%i",
828                            &params.mean_data_rate) == 1 ||
829                     sscanf(token, "min_phy_rate=%i",
830                            &params.minimum_phy_rate) == 1 ||
831                     sscanf(token, "sba=%i",
832                            &params.surplus_bandwidth_allowance) == 1)
833                         continue;
834
835                 if (os_strcasecmp(token, "downlink") == 0) {
836                         params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
837                 } else if (os_strcasecmp(token, "uplink") == 0) {
838                         params.direction = WMM_TSPEC_DIRECTION_UPLINK;
839                 } else if (os_strcasecmp(token, "bidi") == 0) {
840                         params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
841                 } else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
842                         params.fixed_nominal_msdu = 1;
843                 } else {
844                         wpa_printf(MSG_DEBUG,
845                                    "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
846                                    token);
847                         return -1;
848                 }
849
850         }
851
852         return wpas_wmm_ac_addts(wpa_s, &params);
853 }
854
855
856 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
857 {
858         u8 tsid = atoi(cmd);
859
860         return wpas_wmm_ac_delts(wpa_s, tsid);
861 }
862
863
864 #ifdef CONFIG_IEEE80211R
865 static int wpa_supplicant_ctrl_iface_ft_ds(
866         struct wpa_supplicant *wpa_s, char *addr)
867 {
868         u8 target_ap[ETH_ALEN];
869         struct wpa_bss *bss;
870         const u8 *mdie;
871
872         if (hwaddr_aton(addr, target_ap)) {
873                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
874                            "address '%s'", addr);
875                 return -1;
876         }
877
878         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
879
880         bss = wpa_bss_get_bssid(wpa_s, target_ap);
881         if (bss)
882                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
883         else
884                 mdie = NULL;
885
886         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
887 }
888 #endif /* CONFIG_IEEE80211R */
889
890
891 #ifdef CONFIG_WPS
892 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
893                                              char *cmd)
894 {
895         u8 bssid[ETH_ALEN], *_bssid = bssid;
896 #ifdef CONFIG_P2P
897         u8 p2p_dev_addr[ETH_ALEN];
898 #endif /* CONFIG_P2P */
899 #ifdef CONFIG_AP
900         u8 *_p2p_dev_addr = NULL;
901 #endif /* CONFIG_AP */
902
903         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
904                 _bssid = NULL;
905 #ifdef CONFIG_P2P
906         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
907                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
908                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
909                                    "P2P Device Address '%s'",
910                                    cmd + 13);
911                         return -1;
912                 }
913                 _p2p_dev_addr = p2p_dev_addr;
914 #endif /* CONFIG_P2P */
915         } else if (hwaddr_aton(cmd, bssid)) {
916                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
917                            cmd);
918                 return -1;
919         }
920
921 #ifdef CONFIG_AP
922         if (wpa_s->ap_iface)
923                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
924 #endif /* CONFIG_AP */
925
926         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
927 }
928
929
930 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
931                                              char *cmd, char *buf,
932                                              size_t buflen)
933 {
934         u8 bssid[ETH_ALEN], *_bssid = bssid;
935         char *pin;
936         int ret;
937
938         pin = os_strchr(cmd, ' ');
939         if (pin)
940                 *pin++ = '\0';
941
942         if (os_strcmp(cmd, "any") == 0)
943                 _bssid = NULL;
944         else if (os_strcmp(cmd, "get") == 0) {
945                 ret = wps_generate_pin();
946                 goto done;
947         } else if (hwaddr_aton(cmd, bssid)) {
948                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
949                            cmd);
950                 return -1;
951         }
952
953 #ifdef CONFIG_AP
954         if (wpa_s->ap_iface) {
955                 int timeout = 0;
956                 char *pos;
957
958                 if (pin) {
959                         pos = os_strchr(pin, ' ');
960                         if (pos) {
961                                 *pos++ = '\0';
962                                 timeout = atoi(pos);
963                         }
964                 }
965
966                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
967                                                  buf, buflen, timeout);
968         }
969 #endif /* CONFIG_AP */
970
971         if (pin) {
972                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
973                                          DEV_PW_DEFAULT);
974                 if (ret < 0)
975                         return -1;
976                 ret = os_snprintf(buf, buflen, "%s", pin);
977                 if (os_snprintf_error(buflen, ret))
978                         return -1;
979                 return ret;
980         }
981
982         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
983         if (ret < 0)
984                 return -1;
985
986 done:
987         /* Return the generated PIN */
988         ret = os_snprintf(buf, buflen, "%08d", ret);
989         if (os_snprintf_error(buflen, ret))
990                 return -1;
991         return ret;
992 }
993
994
995 static int wpa_supplicant_ctrl_iface_wps_check_pin(
996         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
997 {
998         char pin[9];
999         size_t len;
1000         char *pos;
1001         int ret;
1002
1003         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1004                               (u8 *) cmd, os_strlen(cmd));
1005         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1006                 if (*pos < '0' || *pos > '9')
1007                         continue;
1008                 pin[len++] = *pos;
1009                 if (len == 9) {
1010                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1011                         return -1;
1012                 }
1013         }
1014         if (len != 4 && len != 8) {
1015                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1016                 return -1;
1017         }
1018         pin[len] = '\0';
1019
1020         if (len == 8) {
1021                 unsigned int pin_val;
1022                 pin_val = atoi(pin);
1023                 if (!wps_pin_valid(pin_val)) {
1024                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1025                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1026                         if (os_snprintf_error(buflen, ret))
1027                                 return -1;
1028                         return ret;
1029                 }
1030         }
1031
1032         ret = os_snprintf(buf, buflen, "%s", pin);
1033         if (os_snprintf_error(buflen, ret))
1034                 return -1;
1035
1036         return ret;
1037 }
1038
1039
1040 #ifdef CONFIG_WPS_NFC
1041
1042 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1043                                              char *cmd)
1044 {
1045         u8 bssid[ETH_ALEN], *_bssid = bssid;
1046
1047         if (cmd == NULL || cmd[0] == '\0')
1048                 _bssid = NULL;
1049         else if (hwaddr_aton(cmd, bssid))
1050                 return -1;
1051
1052         return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1053                                   0, 0);
1054 }
1055
1056
1057 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1058         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1059 {
1060         int ndef;
1061         struct wpabuf *buf;
1062         int res;
1063         char *pos;
1064
1065         pos = os_strchr(cmd, ' ');
1066         if (pos)
1067                 *pos++ = '\0';
1068         if (os_strcmp(cmd, "WPS") == 0)
1069                 ndef = 0;
1070         else if (os_strcmp(cmd, "NDEF") == 0)
1071                 ndef = 1;
1072         else
1073                 return -1;
1074
1075         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1076         if (buf == NULL)
1077                 return -1;
1078
1079         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1080                                          wpabuf_len(buf));
1081         reply[res++] = '\n';
1082         reply[res] = '\0';
1083
1084         wpabuf_free(buf);
1085
1086         return res;
1087 }
1088
1089
1090 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1091         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1092 {
1093         int ndef;
1094         struct wpabuf *buf;
1095         int res;
1096
1097         if (os_strcmp(cmd, "WPS") == 0)
1098                 ndef = 0;
1099         else if (os_strcmp(cmd, "NDEF") == 0)
1100                 ndef = 1;
1101         else
1102                 return -1;
1103
1104         buf = wpas_wps_nfc_token(wpa_s, ndef);
1105         if (buf == NULL)
1106                 return -1;
1107
1108         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1109                                          wpabuf_len(buf));
1110         reply[res++] = '\n';
1111         reply[res] = '\0';
1112
1113         wpabuf_free(buf);
1114
1115         return res;
1116 }
1117
1118
1119 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1120         struct wpa_supplicant *wpa_s, char *pos)
1121 {
1122         size_t len;
1123         struct wpabuf *buf;
1124         int ret;
1125         char *freq;
1126         int forced_freq = 0;
1127
1128         freq = strstr(pos, " freq=");
1129         if (freq) {
1130                 *freq = '\0';
1131                 freq += 6;
1132                 forced_freq = atoi(freq);
1133         }
1134
1135         len = os_strlen(pos);
1136         if (len & 0x01)
1137                 return -1;
1138         len /= 2;
1139
1140         buf = wpabuf_alloc(len);
1141         if (buf == NULL)
1142                 return -1;
1143         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1144                 wpabuf_free(buf);
1145                 return -1;
1146         }
1147
1148         ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1149         wpabuf_free(buf);
1150
1151         return ret;
1152 }
1153
1154
1155 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1156                                               char *reply, size_t max_len,
1157                                               int ndef)
1158 {
1159         struct wpabuf *buf;
1160         int res;
1161
1162         buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1163         if (buf == NULL)
1164                 return -1;
1165
1166         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1167                                          wpabuf_len(buf));
1168         reply[res++] = '\n';
1169         reply[res] = '\0';
1170
1171         wpabuf_free(buf);
1172
1173         return res;
1174 }
1175
1176
1177 #ifdef CONFIG_P2P
1178 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1179                                               char *reply, size_t max_len,
1180                                               int ndef)
1181 {
1182         struct wpabuf *buf;
1183         int res;
1184
1185         buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1186         if (buf == NULL) {
1187                 wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1188                 return -1;
1189         }
1190
1191         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1192                                          wpabuf_len(buf));
1193         reply[res++] = '\n';
1194         reply[res] = '\0';
1195
1196         wpabuf_free(buf);
1197
1198         return res;
1199 }
1200 #endif /* CONFIG_P2P */
1201
1202
1203 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1204                                           char *cmd, char *reply,
1205                                           size_t max_len)
1206 {
1207         char *pos;
1208         int ndef;
1209
1210         pos = os_strchr(cmd, ' ');
1211         if (pos == NULL)
1212                 return -1;
1213         *pos++ = '\0';
1214
1215         if (os_strcmp(cmd, "WPS") == 0)
1216                 ndef = 0;
1217         else if (os_strcmp(cmd, "NDEF") == 0)
1218                 ndef = 1;
1219         else
1220                 return -1;
1221
1222         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1223                 if (!ndef)
1224                         return -1;
1225                 return wpas_ctrl_nfc_get_handover_req_wps(
1226                         wpa_s, reply, max_len, ndef);
1227         }
1228
1229 #ifdef CONFIG_P2P
1230         if (os_strcmp(pos, "P2P-CR") == 0) {
1231                 return wpas_ctrl_nfc_get_handover_req_p2p(
1232                         wpa_s, reply, max_len, ndef);
1233         }
1234 #endif /* CONFIG_P2P */
1235
1236         return -1;
1237 }
1238
1239
1240 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1241                                               char *reply, size_t max_len,
1242                                               int ndef, int cr, char *uuid)
1243 {
1244         struct wpabuf *buf;
1245         int res;
1246
1247         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1248         if (buf == NULL)
1249                 return -1;
1250
1251         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1252                                          wpabuf_len(buf));
1253         reply[res++] = '\n';
1254         reply[res] = '\0';
1255
1256         wpabuf_free(buf);
1257
1258         return res;
1259 }
1260
1261
1262 #ifdef CONFIG_P2P
1263 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1264                                               char *reply, size_t max_len,
1265                                               int ndef, int tag)
1266 {
1267         struct wpabuf *buf;
1268         int res;
1269
1270         buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1271         if (buf == NULL)
1272                 return -1;
1273
1274         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1275                                          wpabuf_len(buf));
1276         reply[res++] = '\n';
1277         reply[res] = '\0';
1278
1279         wpabuf_free(buf);
1280
1281         return res;
1282 }
1283 #endif /* CONFIG_P2P */
1284
1285
1286 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1287                                           char *cmd, char *reply,
1288                                           size_t max_len)
1289 {
1290         char *pos, *pos2;
1291         int ndef;
1292
1293         pos = os_strchr(cmd, ' ');
1294         if (pos == NULL)
1295                 return -1;
1296         *pos++ = '\0';
1297
1298         if (os_strcmp(cmd, "WPS") == 0)
1299                 ndef = 0;
1300         else if (os_strcmp(cmd, "NDEF") == 0)
1301                 ndef = 1;
1302         else
1303                 return -1;
1304
1305         pos2 = os_strchr(pos, ' ');
1306         if (pos2)
1307                 *pos2++ = '\0';
1308         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1309                 if (!ndef)
1310                         return -1;
1311                 return wpas_ctrl_nfc_get_handover_sel_wps(
1312                         wpa_s, reply, max_len, ndef,
1313                         os_strcmp(pos, "WPS-CR") == 0, pos2);
1314         }
1315
1316 #ifdef CONFIG_P2P
1317         if (os_strcmp(pos, "P2P-CR") == 0) {
1318                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1319                         wpa_s, reply, max_len, ndef, 0);
1320         }
1321
1322         if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1323                 return wpas_ctrl_nfc_get_handover_sel_p2p(
1324                         wpa_s, reply, max_len, ndef, 1);
1325         }
1326 #endif /* CONFIG_P2P */
1327
1328         return -1;
1329 }
1330
1331
1332 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1333                                          char *cmd)
1334 {
1335         size_t len;
1336         struct wpabuf *req, *sel;
1337         int ret;
1338         char *pos, *role, *type, *pos2;
1339 #ifdef CONFIG_P2P
1340         char *freq;
1341         int forced_freq = 0;
1342
1343         freq = strstr(cmd, " freq=");
1344         if (freq) {
1345                 *freq = '\0';
1346                 freq += 6;
1347                 forced_freq = atoi(freq);
1348         }
1349 #endif /* CONFIG_P2P */
1350
1351         role = cmd;
1352         pos = os_strchr(role, ' ');
1353         if (pos == NULL) {
1354                 wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1355                 return -1;
1356         }
1357         *pos++ = '\0';
1358
1359         type = pos;
1360         pos = os_strchr(type, ' ');
1361         if (pos == NULL) {
1362                 wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1363                 return -1;
1364         }
1365         *pos++ = '\0';
1366
1367         pos2 = os_strchr(pos, ' ');
1368         if (pos2 == NULL) {
1369                 wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1370                 return -1;
1371         }
1372         *pos2++ = '\0';
1373
1374         len = os_strlen(pos);
1375         if (len & 0x01) {
1376                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1377                 return -1;
1378         }
1379         len /= 2;
1380
1381         req = wpabuf_alloc(len);
1382         if (req == NULL) {
1383                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1384                 return -1;
1385         }
1386         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1387                 wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1388                 wpabuf_free(req);
1389                 return -1;
1390         }
1391
1392         len = os_strlen(pos2);
1393         if (len & 0x01) {
1394                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1395                 wpabuf_free(req);
1396                 return -1;
1397         }
1398         len /= 2;
1399
1400         sel = wpabuf_alloc(len);
1401         if (sel == NULL) {
1402                 wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1403                 wpabuf_free(req);
1404                 return -1;
1405         }
1406         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1407                 wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1408                 wpabuf_free(req);
1409                 wpabuf_free(sel);
1410                 return -1;
1411         }
1412
1413         wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1414                    role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1415
1416         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1417                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1418 #ifdef CONFIG_AP
1419         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1420         {
1421                 ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1422                 if (ret < 0)
1423                         ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1424 #endif /* CONFIG_AP */
1425 #ifdef CONFIG_P2P
1426         } else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1427         {
1428                 ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1429         } else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1430         {
1431                 ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1432                                                    forced_freq);
1433 #endif /* CONFIG_P2P */
1434         } else {
1435                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1436                            "reported: role=%s type=%s", role, type);
1437                 ret = -1;
1438         }
1439         wpabuf_free(req);
1440         wpabuf_free(sel);
1441
1442         if (ret)
1443                 wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1444
1445         return ret;
1446 }
1447
1448 #endif /* CONFIG_WPS_NFC */
1449
1450
1451 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1452                                              char *cmd)
1453 {
1454         u8 bssid[ETH_ALEN];
1455         char *pin;
1456         char *new_ssid;
1457         char *new_auth;
1458         char *new_encr;
1459         char *new_key;
1460         struct wps_new_ap_settings ap;
1461
1462         pin = os_strchr(cmd, ' ');
1463         if (pin == NULL)
1464                 return -1;
1465         *pin++ = '\0';
1466
1467         if (hwaddr_aton(cmd, bssid)) {
1468                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1469                            cmd);
1470                 return -1;
1471         }
1472
1473         new_ssid = os_strchr(pin, ' ');
1474         if (new_ssid == NULL)
1475                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1476         *new_ssid++ = '\0';
1477
1478         new_auth = os_strchr(new_ssid, ' ');
1479         if (new_auth == NULL)
1480                 return -1;
1481         *new_auth++ = '\0';
1482
1483         new_encr = os_strchr(new_auth, ' ');
1484         if (new_encr == NULL)
1485                 return -1;
1486         *new_encr++ = '\0';
1487
1488         new_key = os_strchr(new_encr, ' ');
1489         if (new_key == NULL)
1490                 return -1;
1491         *new_key++ = '\0';
1492
1493         os_memset(&ap, 0, sizeof(ap));
1494         ap.ssid_hex = new_ssid;
1495         ap.auth = new_auth;
1496         ap.encr = new_encr;
1497         ap.key_hex = new_key;
1498         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1499 }
1500
1501
1502 #ifdef CONFIG_AP
1503 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1504                                                 char *cmd, char *buf,
1505                                                 size_t buflen)
1506 {
1507         int timeout = 300;
1508         char *pos;
1509         const char *pin_txt;
1510
1511         if (!wpa_s->ap_iface)
1512                 return -1;
1513
1514         pos = os_strchr(cmd, ' ');
1515         if (pos)
1516                 *pos++ = '\0';
1517
1518         if (os_strcmp(cmd, "disable") == 0) {
1519                 wpas_wps_ap_pin_disable(wpa_s);
1520                 return os_snprintf(buf, buflen, "OK\n");
1521         }
1522
1523         if (os_strcmp(cmd, "random") == 0) {
1524                 if (pos)
1525                         timeout = atoi(pos);
1526                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1527                 if (pin_txt == NULL)
1528                         return -1;
1529                 return os_snprintf(buf, buflen, "%s", pin_txt);
1530         }
1531
1532         if (os_strcmp(cmd, "get") == 0) {
1533                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1534                 if (pin_txt == NULL)
1535                         return -1;
1536                 return os_snprintf(buf, buflen, "%s", pin_txt);
1537         }
1538
1539         if (os_strcmp(cmd, "set") == 0) {
1540                 char *pin;
1541                 if (pos == NULL)
1542                         return -1;
1543                 pin = pos;
1544                 pos = os_strchr(pos, ' ');
1545                 if (pos) {
1546                         *pos++ = '\0';
1547                         timeout = atoi(pos);
1548                 }
1549                 if (os_strlen(pin) > buflen)
1550                         return -1;
1551                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1552                         return -1;
1553                 return os_snprintf(buf, buflen, "%s", pin);
1554         }
1555
1556         return -1;
1557 }
1558 #endif /* CONFIG_AP */
1559
1560
1561 #ifdef CONFIG_WPS_ER
1562 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1563                                                 char *cmd)
1564 {
1565         char *uuid = cmd, *pin, *pos;
1566         u8 addr_buf[ETH_ALEN], *addr = NULL;
1567         pin = os_strchr(uuid, ' ');
1568         if (pin == NULL)
1569                 return -1;
1570         *pin++ = '\0';
1571         pos = os_strchr(pin, ' ');
1572         if (pos) {
1573                 *pos++ = '\0';
1574                 if (hwaddr_aton(pos, addr_buf) == 0)
1575                         addr = addr_buf;
1576         }
1577         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1578 }
1579
1580
1581 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1582                                                   char *cmd)
1583 {
1584         char *uuid = cmd, *pin;
1585         pin = os_strchr(uuid, ' ');
1586         if (pin == NULL)
1587                 return -1;
1588         *pin++ = '\0';
1589         return wpas_wps_er_learn(wpa_s, uuid, pin);
1590 }
1591
1592
1593 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1594         struct wpa_supplicant *wpa_s, char *cmd)
1595 {
1596         char *uuid = cmd, *id;
1597         id = os_strchr(uuid, ' ');
1598         if (id == NULL)
1599                 return -1;
1600         *id++ = '\0';
1601         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1602 }
1603
1604
1605 static int wpa_supplicant_ctrl_iface_wps_er_config(
1606         struct wpa_supplicant *wpa_s, char *cmd)
1607 {
1608         char *pin;
1609         char *new_ssid;
1610         char *new_auth;
1611         char *new_encr;
1612         char *new_key;
1613         struct wps_new_ap_settings ap;
1614
1615         pin = os_strchr(cmd, ' ');
1616         if (pin == NULL)
1617                 return -1;
1618         *pin++ = '\0';
1619
1620         new_ssid = os_strchr(pin, ' ');
1621         if (new_ssid == NULL)
1622                 return -1;
1623         *new_ssid++ = '\0';
1624
1625         new_auth = os_strchr(new_ssid, ' ');
1626         if (new_auth == NULL)
1627                 return -1;
1628         *new_auth++ = '\0';
1629
1630         new_encr = os_strchr(new_auth, ' ');
1631         if (new_encr == NULL)
1632                 return -1;
1633         *new_encr++ = '\0';
1634
1635         new_key = os_strchr(new_encr, ' ');
1636         if (new_key == NULL)
1637                 return -1;
1638         *new_key++ = '\0';
1639
1640         os_memset(&ap, 0, sizeof(ap));
1641         ap.ssid_hex = new_ssid;
1642         ap.auth = new_auth;
1643         ap.encr = new_encr;
1644         ap.key_hex = new_key;
1645         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1646 }
1647
1648
1649 #ifdef CONFIG_WPS_NFC
1650 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1651         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1652 {
1653         int ndef;
1654         struct wpabuf *buf;
1655         int res;
1656         char *uuid;
1657
1658         uuid = os_strchr(cmd, ' ');
1659         if (uuid == NULL)
1660                 return -1;
1661         *uuid++ = '\0';
1662
1663         if (os_strcmp(cmd, "WPS") == 0)
1664                 ndef = 0;
1665         else if (os_strcmp(cmd, "NDEF") == 0)
1666                 ndef = 1;
1667         else
1668                 return -1;
1669
1670         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1671         if (buf == NULL)
1672                 return -1;
1673
1674         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1675                                          wpabuf_len(buf));
1676         reply[res++] = '\n';
1677         reply[res] = '\0';
1678
1679         wpabuf_free(buf);
1680
1681         return res;
1682 }
1683 #endif /* CONFIG_WPS_NFC */
1684 #endif /* CONFIG_WPS_ER */
1685
1686 #endif /* CONFIG_WPS */
1687
1688
1689 #ifdef CONFIG_IBSS_RSN
1690 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1691         struct wpa_supplicant *wpa_s, char *addr)
1692 {
1693         u8 peer[ETH_ALEN];
1694
1695         if (hwaddr_aton(addr, peer)) {
1696                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1697                            "address '%s'", addr);
1698                 return -1;
1699         }
1700
1701         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1702                    MAC2STR(peer));
1703
1704         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1705 }
1706 #endif /* CONFIG_IBSS_RSN */
1707
1708
1709 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1710                                               char *rsp)
1711 {
1712 #ifdef IEEE8021X_EAPOL
1713         char *pos, *id_pos;
1714         int id;
1715         struct wpa_ssid *ssid;
1716
1717         pos = os_strchr(rsp, '-');
1718         if (pos == NULL)
1719                 return -1;
1720         *pos++ = '\0';
1721         id_pos = pos;
1722         pos = os_strchr(pos, ':');
1723         if (pos == NULL)
1724                 return -1;
1725         *pos++ = '\0';
1726         id = atoi(id_pos);
1727         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1728         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1729                               (u8 *) pos, os_strlen(pos));
1730
1731         ssid = wpa_config_get_network(wpa_s->conf, id);
1732         if (ssid == NULL) {
1733                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1734                            "to update", id);
1735                 return -1;
1736         }
1737
1738         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1739                                                          pos);
1740 #else /* IEEE8021X_EAPOL */
1741         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1742         return -1;
1743 #endif /* IEEE8021X_EAPOL */
1744 }
1745
1746
1747 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1748                                             const char *params,
1749                                             char *buf, size_t buflen)
1750 {
1751         char *pos, *end, tmp[30];
1752         int res, verbose, wps, ret;
1753 #ifdef CONFIG_HS20
1754         const u8 *hs20;
1755 #endif /* CONFIG_HS20 */
1756         const u8 *sess_id;
1757         size_t sess_id_len;
1758
1759         if (os_strcmp(params, "-DRIVER") == 0)
1760                 return wpa_drv_status(wpa_s, buf, buflen);
1761         verbose = os_strcmp(params, "-VERBOSE") == 0;
1762         wps = os_strcmp(params, "-WPS") == 0;
1763         pos = buf;
1764         end = buf + buflen;
1765         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1766                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1767                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1768                                   MAC2STR(wpa_s->bssid));
1769                 if (os_snprintf_error(end - pos, ret))
1770                         return pos - buf;
1771                 pos += ret;
1772                 ret = os_snprintf(pos, end - pos, "freq=%u\n",
1773                                   wpa_s->assoc_freq);
1774                 if (os_snprintf_error(end - pos, ret))
1775                         return pos - buf;
1776                 pos += ret;
1777                 if (ssid) {
1778                         u8 *_ssid = ssid->ssid;
1779                         size_t ssid_len = ssid->ssid_len;
1780                         u8 ssid_buf[SSID_MAX_LEN];
1781                         if (ssid_len == 0) {
1782                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1783                                 if (_res < 0)
1784                                         ssid_len = 0;
1785                                 else
1786                                         ssid_len = _res;
1787                                 _ssid = ssid_buf;
1788                         }
1789                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1790                                           wpa_ssid_txt(_ssid, ssid_len),
1791                                           ssid->id);
1792                         if (os_snprintf_error(end - pos, ret))
1793                                 return pos - buf;
1794                         pos += ret;
1795
1796                         if (wps && ssid->passphrase &&
1797                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1798                             (ssid->mode == WPAS_MODE_AP ||
1799                              ssid->mode == WPAS_MODE_P2P_GO)) {
1800                                 ret = os_snprintf(pos, end - pos,
1801                                                   "passphrase=%s\n",
1802                                                   ssid->passphrase);
1803                                 if (os_snprintf_error(end - pos, ret))
1804                                         return pos - buf;
1805                                 pos += ret;
1806                         }
1807                         if (ssid->id_str) {
1808                                 ret = os_snprintf(pos, end - pos,
1809                                                   "id_str=%s\n",
1810                                                   ssid->id_str);
1811                                 if (os_snprintf_error(end - pos, ret))
1812                                         return pos - buf;
1813                                 pos += ret;
1814                         }
1815
1816                         switch (ssid->mode) {
1817                         case WPAS_MODE_INFRA:
1818                                 ret = os_snprintf(pos, end - pos,
1819                                                   "mode=station\n");
1820                                 break;
1821                         case WPAS_MODE_IBSS:
1822                                 ret = os_snprintf(pos, end - pos,
1823                                                   "mode=IBSS\n");
1824                                 break;
1825                         case WPAS_MODE_AP:
1826                                 ret = os_snprintf(pos, end - pos,
1827                                                   "mode=AP\n");
1828                                 break;
1829                         case WPAS_MODE_P2P_GO:
1830                                 ret = os_snprintf(pos, end - pos,
1831                                                   "mode=P2P GO\n");
1832                                 break;
1833                         case WPAS_MODE_P2P_GROUP_FORMATION:
1834                                 ret = os_snprintf(pos, end - pos,
1835                                                   "mode=P2P GO - group "
1836                                                   "formation\n");
1837                                 break;
1838                         default:
1839                                 ret = 0;
1840                                 break;
1841                         }
1842                         if (os_snprintf_error(end - pos, ret))
1843                                 return pos - buf;
1844                         pos += ret;
1845                 }
1846
1847 #ifdef CONFIG_AP
1848                 if (wpa_s->ap_iface) {
1849                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1850                                                             end - pos,
1851                                                             verbose);
1852                 } else
1853 #endif /* CONFIG_AP */
1854                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1855         }
1856 #ifdef CONFIG_SAE
1857         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1858 #ifdef CONFIG_AP
1859             !wpa_s->ap_iface &&
1860 #endif /* CONFIG_AP */
1861             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1862                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1863                                   wpa_s->sme.sae.group);
1864                 if (os_snprintf_error(end - pos, ret))
1865                         return pos - buf;
1866                 pos += ret;
1867         }
1868 #endif /* CONFIG_SAE */
1869         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1870                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1871         if (os_snprintf_error(end - pos, ret))
1872                 return pos - buf;
1873         pos += ret;
1874
1875         if (wpa_s->l2 &&
1876             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1877                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1878                 if (os_snprintf_error(end - pos, ret))
1879                         return pos - buf;
1880                 pos += ret;
1881         }
1882
1883 #ifdef CONFIG_P2P
1884         if (wpa_s->global->p2p) {
1885                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1886                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1887                 if (os_snprintf_error(end - pos, ret))
1888                         return pos - buf;
1889                 pos += ret;
1890         }
1891 #endif /* CONFIG_P2P */
1892
1893         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1894                           MAC2STR(wpa_s->own_addr));
1895         if (os_snprintf_error(end - pos, ret))
1896                 return pos - buf;
1897         pos += ret;
1898
1899 #ifdef CONFIG_HS20
1900         if (wpa_s->current_bss &&
1901             (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1902                                           HS20_IE_VENDOR_TYPE)) &&
1903             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1904             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1905                 int release = 1;
1906                 if (hs20[1] >= 5) {
1907                         u8 rel_num = (hs20[6] & 0xf0) >> 4;
1908                         release = rel_num + 1;
1909                 }
1910                 ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
1911                 if (os_snprintf_error(end - pos, ret))
1912                         return pos - buf;
1913                 pos += ret;
1914         }
1915
1916         if (wpa_s->current_ssid) {
1917                 struct wpa_cred *cred;
1918                 char *type;
1919
1920                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1921                         size_t i;
1922
1923                         if (wpa_s->current_ssid->parent_cred != cred)
1924                                 continue;
1925
1926                         if (cred->provisioning_sp) {
1927                                 ret = os_snprintf(pos, end - pos,
1928                                                   "provisioning_sp=%s\n",
1929                                                   cred->provisioning_sp);
1930                                 if (os_snprintf_error(end - pos, ret))
1931                                         return pos - buf;
1932                                 pos += ret;
1933                         }
1934
1935                         if (!cred->domain)
1936                                 goto no_domain;
1937
1938                         i = 0;
1939                         if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
1940                                 struct wpabuf *names =
1941                                         wpa_s->current_bss->anqp->domain_name;
1942                                 for (i = 0; names && i < cred->num_domain; i++)
1943                                 {
1944                                         if (domain_name_list_contains(
1945                                                     names, cred->domain[i], 1))
1946                                                 break;
1947                                 }
1948                                 if (i == cred->num_domain)
1949                                         i = 0; /* show first entry by default */
1950                         }
1951                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1952                                           cred->domain[i]);
1953                         if (os_snprintf_error(end - pos, ret))
1954                                 return pos - buf;
1955                         pos += ret;
1956
1957                 no_domain:
1958                         if (wpa_s->current_bss == NULL ||
1959                             wpa_s->current_bss->anqp == NULL)
1960                                 res = -1;
1961                         else
1962                                 res = interworking_home_sp_cred(
1963                                         wpa_s, cred,
1964                                         wpa_s->current_bss->anqp->domain_name);
1965                         if (res > 0)
1966                                 type = "home";
1967                         else if (res == 0)
1968                                 type = "roaming";
1969                         else
1970                                 type = "unknown";
1971
1972                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1973                         if (os_snprintf_error(end - pos, ret))
1974                                 return pos - buf;
1975                         pos += ret;
1976
1977                         break;
1978                 }
1979         }
1980 #endif /* CONFIG_HS20 */
1981
1982         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1983             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1984                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1985                                           verbose);
1986                 if (res >= 0)
1987                         pos += res;
1988         }
1989
1990         sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
1991         if (sess_id) {
1992                 char *start = pos;
1993
1994                 ret = os_snprintf(pos, end - pos, "eap_session_id=");
1995                 if (os_snprintf_error(end - pos, ret))
1996                         return start - buf;
1997                 pos += ret;
1998                 ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
1999                 if (ret <= 0)
2000                         return start - buf;
2001                 pos += ret;
2002                 ret = os_snprintf(pos, end - pos, "\n");
2003                 if (os_snprintf_error(end - pos, ret))
2004                         return start - buf;
2005                 pos += ret;
2006         }
2007
2008         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2009         if (res >= 0)
2010                 pos += res;
2011
2012 #ifdef CONFIG_WPS
2013         {
2014                 char uuid_str[100];
2015                 uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2016                 ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2017                 if (os_snprintf_error(end - pos, ret))
2018                         return pos - buf;
2019                 pos += ret;
2020         }
2021 #endif /* CONFIG_WPS */
2022
2023 #ifdef ANDROID
2024         /*
2025          * Allow using the STATUS command with default behavior, say for debug,
2026          * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2027          * events with STATUS-NO_EVENTS.
2028          */
2029         if (os_strcmp(params, "-NO_EVENTS")) {
2030                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2031                              "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2032                              wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2033                              wpa_s->wpa_state,
2034                              MAC2STR(wpa_s->bssid),
2035                              wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2036                              wpa_ssid_txt(wpa_s->current_ssid->ssid,
2037                                           wpa_s->current_ssid->ssid_len) : "");
2038                 if (wpa_s->wpa_state == WPA_COMPLETED) {
2039                         struct wpa_ssid *ssid = wpa_s->current_ssid;
2040                         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2041                                      "- connection to " MACSTR
2042                                      " completed %s [id=%d id_str=%s]",
2043                                      MAC2STR(wpa_s->bssid), "(auth)",
2044                                      ssid ? ssid->id : -1,
2045                                      ssid && ssid->id_str ? ssid->id_str : "");
2046                 }
2047         }
2048 #endif /* ANDROID */
2049
2050         return pos - buf;
2051 }
2052
2053
2054 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2055                                            char *cmd)
2056 {
2057         char *pos;
2058         int id;
2059         struct wpa_ssid *ssid;
2060         u8 bssid[ETH_ALEN];
2061
2062         /* cmd: "<network id> <BSSID>" */
2063         pos = os_strchr(cmd, ' ');
2064         if (pos == NULL)
2065                 return -1;
2066         *pos++ = '\0';
2067         id = atoi(cmd);
2068         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2069         if (hwaddr_aton(pos, bssid)) {
2070                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2071                 return -1;
2072         }
2073
2074         ssid = wpa_config_get_network(wpa_s->conf, id);
2075         if (ssid == NULL) {
2076                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2077                            "to update", id);
2078                 return -1;
2079         }
2080
2081         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2082         ssid->bssid_set = !is_zero_ether_addr(bssid);
2083
2084         return 0;
2085 }
2086
2087
2088 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2089                                                char *cmd, char *buf,
2090                                                size_t buflen)
2091 {
2092         u8 bssid[ETH_ALEN];
2093         struct wpa_blacklist *e;
2094         char *pos, *end;
2095         int ret;
2096
2097         /* cmd: "BLACKLIST [<BSSID>]" */
2098         if (*cmd == '\0') {
2099                 pos = buf;
2100                 end = buf + buflen;
2101                 e = wpa_s->blacklist;
2102                 while (e) {
2103                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
2104                                           MAC2STR(e->bssid));
2105                         if (os_snprintf_error(end - pos, ret))
2106                                 return pos - buf;
2107                         pos += ret;
2108                         e = e->next;
2109                 }
2110                 return pos - buf;
2111         }
2112
2113         cmd++;
2114         if (os_strncmp(cmd, "clear", 5) == 0) {
2115                 wpa_blacklist_clear(wpa_s);
2116                 os_memcpy(buf, "OK\n", 3);
2117                 return 3;
2118         }
2119
2120         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2121         if (hwaddr_aton(cmd, bssid)) {
2122                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2123                 return -1;
2124         }
2125
2126         /*
2127          * Add the BSSID twice, so its count will be 2, causing it to be
2128          * skipped when processing scan results.
2129          */
2130         ret = wpa_blacklist_add(wpa_s, bssid);
2131         if (ret < 0)
2132                 return -1;
2133         ret = wpa_blacklist_add(wpa_s, bssid);
2134         if (ret < 0)
2135                 return -1;
2136         os_memcpy(buf, "OK\n", 3);
2137         return 3;
2138 }
2139
2140
2141 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2142                                                char *cmd, char *buf,
2143                                                size_t buflen)
2144 {
2145         char *pos, *end, *stamp;
2146         int ret;
2147
2148         /* cmd: "LOG_LEVEL [<level>]" */
2149         if (*cmd == '\0') {
2150                 pos = buf;
2151                 end = buf + buflen;
2152                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2153                                   "Timestamp: %d\n",
2154                                   debug_level_str(wpa_debug_level),
2155                                   wpa_debug_timestamp);
2156                 if (os_snprintf_error(end - pos, ret))
2157                         ret = 0;
2158
2159                 return ret;
2160         }
2161
2162         while (*cmd == ' ')
2163                 cmd++;
2164
2165         stamp = os_strchr(cmd, ' ');
2166         if (stamp) {
2167                 *stamp++ = '\0';
2168                 while (*stamp == ' ') {
2169                         stamp++;
2170                 }
2171         }
2172
2173         if (os_strlen(cmd)) {
2174                 int level = str_to_debug_level(cmd);
2175                 if (level < 0)
2176                         return -1;
2177                 wpa_debug_level = level;
2178         }
2179
2180         if (stamp && os_strlen(stamp))
2181                 wpa_debug_timestamp = atoi(stamp);
2182
2183         os_memcpy(buf, "OK\n", 3);
2184         return 3;
2185 }
2186
2187
2188 static int wpa_supplicant_ctrl_iface_list_networks(
2189         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2190 {
2191         char *pos, *end, *prev;
2192         struct wpa_ssid *ssid;
2193         int ret;
2194
2195         pos = buf;
2196         end = buf + buflen;
2197         ret = os_snprintf(pos, end - pos,
2198                           "network id / ssid / bssid / flags\n");
2199         if (os_snprintf_error(end - pos, ret))
2200                 return pos - buf;
2201         pos += ret;
2202
2203         ssid = wpa_s->conf->ssid;
2204
2205         /* skip over ssids until we find next one */
2206         if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2207                 int last_id = atoi(cmd + 8);
2208                 if (last_id != -1) {
2209                         while (ssid != NULL && ssid->id <= last_id) {
2210                                 ssid = ssid->next;
2211                         }
2212                 }
2213         }
2214
2215         while (ssid) {
2216                 prev = pos;
2217                 ret = os_snprintf(pos, end - pos, "%d\t%s",
2218                                   ssid->id,
2219                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2220                 if (os_snprintf_error(end - pos, ret))
2221                         return prev - buf;
2222                 pos += ret;
2223                 if (ssid->bssid_set) {
2224                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2225                                           MAC2STR(ssid->bssid));
2226                 } else {
2227                         ret = os_snprintf(pos, end - pos, "\tany");
2228                 }
2229                 if (os_snprintf_error(end - pos, ret))
2230                         return prev - buf;
2231                 pos += ret;
2232                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2233                                   ssid == wpa_s->current_ssid ?
2234                                   "[CURRENT]" : "",
2235                                   ssid->disabled ? "[DISABLED]" : "",
2236                                   ssid->disabled_until.sec ?
2237                                   "[TEMP-DISABLED]" : "",
2238                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2239                                   "");
2240                 if (os_snprintf_error(end - pos, ret))
2241                         return prev - buf;
2242                 pos += ret;
2243                 ret = os_snprintf(pos, end - pos, "\n");
2244                 if (os_snprintf_error(end - pos, ret))
2245                         return prev - buf;
2246                 pos += ret;
2247
2248                 ssid = ssid->next;
2249         }
2250
2251         return pos - buf;
2252 }
2253
2254
2255 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2256 {
2257         int ret;
2258         ret = os_snprintf(pos, end - pos, "-");
2259         if (os_snprintf_error(end - pos, ret))
2260                 return pos;
2261         pos += ret;
2262         ret = wpa_write_ciphers(pos, end, cipher, "+");
2263         if (ret < 0)
2264                 return pos;
2265         pos += ret;
2266         return pos;
2267 }
2268
2269
2270 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2271                                     const u8 *ie, size_t ie_len)
2272 {
2273         struct wpa_ie_data data;
2274         char *start;
2275         int ret;
2276
2277         ret = os_snprintf(pos, end - pos, "[%s-", proto);
2278         if (os_snprintf_error(end - pos, ret))
2279                 return pos;
2280         pos += ret;
2281
2282         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2283                 ret = os_snprintf(pos, end - pos, "?]");
2284                 if (os_snprintf_error(end - pos, ret))
2285                         return pos;
2286                 pos += ret;
2287                 return pos;
2288         }
2289
2290         start = pos;
2291         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2292                 ret = os_snprintf(pos, end - pos, "%sEAP",
2293                                   pos == start ? "" : "+");
2294                 if (os_snprintf_error(end - pos, ret))
2295                         return pos;
2296                 pos += ret;
2297         }
2298         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2299                 ret = os_snprintf(pos, end - pos, "%sPSK",
2300                                   pos == start ? "" : "+");
2301                 if (os_snprintf_error(end - pos, ret))
2302                         return pos;
2303                 pos += ret;
2304         }
2305         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2306                 ret = os_snprintf(pos, end - pos, "%sNone",
2307                                   pos == start ? "" : "+");
2308                 if (os_snprintf_error(end - pos, ret))
2309                         return pos;
2310                 pos += ret;
2311         }
2312         if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2313                 ret = os_snprintf(pos, end - pos, "%sSAE",
2314                                   pos == start ? "" : "+");
2315                 if (os_snprintf_error(end - pos, ret))
2316                         return pos;
2317                 pos += ret;
2318         }
2319 #ifdef CONFIG_IEEE80211R
2320         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2321                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2322                                   pos == start ? "" : "+");
2323                 if (os_snprintf_error(end - pos, ret))
2324                         return pos;
2325                 pos += ret;
2326         }
2327         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2328                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2329                                   pos == start ? "" : "+");
2330                 if (os_snprintf_error(end - pos, ret))
2331                         return pos;
2332                 pos += ret;
2333         }
2334         if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2335                 ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2336                                   pos == start ? "" : "+");
2337                 if (os_snprintf_error(end - pos, ret))
2338                         return pos;
2339                 pos += ret;
2340         }
2341 #endif /* CONFIG_IEEE80211R */
2342 #ifdef CONFIG_IEEE80211W
2343         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2344                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2345                                   pos == start ? "" : "+");
2346                 if (os_snprintf_error(end - pos, ret))
2347                         return pos;
2348                 pos += ret;
2349         }
2350         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2351                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2352                                   pos == start ? "" : "+");
2353                 if (os_snprintf_error(end - pos, ret))
2354                         return pos;
2355                 pos += ret;
2356         }
2357 #endif /* CONFIG_IEEE80211W */
2358
2359 #ifdef CONFIG_SUITEB
2360         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2361                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2362                                   pos == start ? "" : "+");
2363                 if (os_snprintf_error(end - pos, ret))
2364                         return pos;
2365                 pos += ret;
2366         }
2367 #endif /* CONFIG_SUITEB */
2368
2369 #ifdef CONFIG_SUITEB192
2370         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2371                 ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2372                                   pos == start ? "" : "+");
2373                 if (os_snprintf_error(end - pos, ret))
2374                         return pos;
2375                 pos += ret;
2376         }
2377 #endif /* CONFIG_SUITEB192 */
2378
2379         if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2380                 ret = os_snprintf(pos, end - pos, "%sOSEN",
2381                                   pos == start ? "" : "+");
2382                 if (os_snprintf_error(end - pos, ret))
2383                         return pos;
2384                 pos += ret;
2385         }
2386
2387         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2388
2389         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2390                 ret = os_snprintf(pos, end - pos, "-preauth");
2391                 if (os_snprintf_error(end - pos, ret))
2392                         return pos;
2393                 pos += ret;
2394         }
2395
2396         ret = os_snprintf(pos, end - pos, "]");
2397         if (os_snprintf_error(end - pos, ret))
2398                 return pos;
2399         pos += ret;
2400
2401         return pos;
2402 }
2403
2404
2405 #ifdef CONFIG_WPS
2406 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2407                                             char *pos, char *end,
2408                                             struct wpabuf *wps_ie)
2409 {
2410         int ret;
2411         const char *txt;
2412
2413         if (wps_ie == NULL)
2414                 return pos;
2415         if (wps_is_selected_pbc_registrar(wps_ie))
2416                 txt = "[WPS-PBC]";
2417         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2418                 txt = "[WPS-AUTH]";
2419         else if (wps_is_selected_pin_registrar(wps_ie))
2420                 txt = "[WPS-PIN]";
2421         else
2422                 txt = "[WPS]";
2423
2424         ret = os_snprintf(pos, end - pos, "%s", txt);
2425         if (!os_snprintf_error(end - pos, ret))
2426                 pos += ret;
2427         wpabuf_free(wps_ie);
2428         return pos;
2429 }
2430 #endif /* CONFIG_WPS */
2431
2432
2433 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2434                                         char *pos, char *end,
2435                                         const struct wpa_bss *bss)
2436 {
2437 #ifdef CONFIG_WPS
2438         struct wpabuf *wps_ie;
2439         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2440         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2441 #else /* CONFIG_WPS */
2442         return pos;
2443 #endif /* CONFIG_WPS */
2444 }
2445
2446
2447 /* Format one result on one text line into a buffer. */
2448 static int wpa_supplicant_ctrl_iface_scan_result(
2449         struct wpa_supplicant *wpa_s,
2450         const struct wpa_bss *bss, char *buf, size_t buflen)
2451 {
2452         char *pos, *end;
2453         int ret;
2454         const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2455
2456         mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2457         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2458         if (!p2p)
2459                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2460         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2461             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2462             0)
2463                 return 0; /* Do not show P2P listen discovery results here */
2464
2465         pos = buf;
2466         end = buf + buflen;
2467
2468         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2469                           MAC2STR(bss->bssid), bss->freq, bss->level);
2470         if (os_snprintf_error(end - pos, ret))
2471                 return -1;
2472         pos += ret;
2473         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2474         if (ie)
2475                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2476         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2477         if (ie2) {
2478                 pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2479                                             ie2, 2 + ie2[1]);
2480         }
2481         osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2482         if (osen_ie)
2483                 pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2484                                             osen_ie, 2 + osen_ie[1]);
2485         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2486         if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2487                 ret = os_snprintf(pos, end - pos, "[WEP]");
2488                 if (os_snprintf_error(end - pos, ret))
2489                         return -1;
2490                 pos += ret;
2491         }
2492         if (mesh) {
2493                 ret = os_snprintf(pos, end - pos, "[MESH]");
2494                 if (os_snprintf_error(end - pos, ret))
2495                         return -1;
2496                 pos += ret;
2497         }
2498         if (bss_is_dmg(bss)) {
2499                 const char *s;
2500                 ret = os_snprintf(pos, end - pos, "[DMG]");
2501                 if (os_snprintf_error(end - pos, ret))
2502                         return -1;
2503                 pos += ret;
2504                 switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2505                 case IEEE80211_CAP_DMG_IBSS:
2506                         s = "[IBSS]";
2507                         break;
2508                 case IEEE80211_CAP_DMG_AP:
2509                         s = "[ESS]";
2510                         break;
2511                 case IEEE80211_CAP_DMG_PBSS:
2512                         s = "[PBSS]";
2513                         break;
2514                 default:
2515                         s = "";
2516                         break;
2517                 }
2518                 ret = os_snprintf(pos, end - pos, "%s", s);
2519                 if (os_snprintf_error(end - pos, ret))
2520                         return -1;
2521                 pos += ret;
2522         } else {
2523                 if (bss->caps & IEEE80211_CAP_IBSS) {
2524                         ret = os_snprintf(pos, end - pos, "[IBSS]");
2525                         if (os_snprintf_error(end - pos, ret))
2526                                 return -1;
2527                         pos += ret;
2528                 }
2529                 if (bss->caps & IEEE80211_CAP_ESS) {
2530                         ret = os_snprintf(pos, end - pos, "[ESS]");
2531                         if (os_snprintf_error(end - pos, ret))
2532                                 return -1;
2533                         pos += ret;
2534                 }
2535         }
2536         if (p2p) {
2537                 ret = os_snprintf(pos, end - pos, "[P2P]");
2538                 if (os_snprintf_error(end - pos, ret))
2539                         return -1;
2540                 pos += ret;
2541         }
2542 #ifdef CONFIG_HS20
2543         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2544                 ret = os_snprintf(pos, end - pos, "[HS20]");
2545                 if (os_snprintf_error(end - pos, ret))
2546                         return -1;
2547                 pos += ret;
2548         }
2549 #endif /* CONFIG_HS20 */
2550 #ifdef CONFIG_FST
2551         if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2552                 ret = os_snprintf(pos, end - pos, "[FST]");
2553                 if (os_snprintf_error(end - pos, ret))
2554                         return -1;
2555                 pos += ret;
2556         }
2557 #endif /* CONFIG_FST */
2558
2559         ret = os_snprintf(pos, end - pos, "\t%s",
2560                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2561         if (os_snprintf_error(end - pos, ret))
2562                 return -1;
2563         pos += ret;
2564
2565         ret = os_snprintf(pos, end - pos, "\n");
2566         if (os_snprintf_error(end - pos, ret))
2567                 return -1;
2568         pos += ret;
2569
2570         return pos - buf;
2571 }
2572
2573
2574 static int wpa_supplicant_ctrl_iface_scan_results(
2575         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2576 {
2577         char *pos, *end;
2578         struct wpa_bss *bss;
2579         int ret;
2580
2581         pos = buf;
2582         end = buf + buflen;
2583         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2584                           "flags / ssid\n");
2585         if (os_snprintf_error(end - pos, ret))
2586                 return pos - buf;
2587         pos += ret;
2588
2589         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2590                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2591                                                             end - pos);
2592                 if (ret < 0 || ret >= end - pos)
2593                         return pos - buf;
2594                 pos += ret;
2595         }
2596
2597         return pos - buf;
2598 }
2599
2600
2601 #ifdef CONFIG_MESH
2602
2603 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2604         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2605 {
2606         char *pos, ifname[IFNAMSIZ + 1];
2607
2608         ifname[0] = '\0';
2609
2610         pos = os_strstr(cmd, "ifname=");
2611         if (pos) {
2612                 pos += 7;
2613                 os_strlcpy(ifname, pos, sizeof(ifname));
2614         }
2615
2616         if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2617                 return -1;
2618
2619         os_strlcpy(reply, ifname, max_len);
2620         return os_strlen(ifname);
2621 }
2622
2623
2624 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2625         struct wpa_supplicant *wpa_s, char *cmd)
2626 {
2627         int id;
2628         struct wpa_ssid *ssid;
2629
2630         id = atoi(cmd);
2631         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2632
2633         ssid = wpa_config_get_network(wpa_s->conf, id);
2634         if (ssid == NULL) {
2635                 wpa_printf(MSG_DEBUG,
2636                            "CTRL_IFACE: Could not find network id=%d", id);
2637                 return -1;
2638         }
2639         if (ssid->mode != WPAS_MODE_MESH) {
2640                 wpa_printf(MSG_DEBUG,
2641                            "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2642                 return -1;
2643         }
2644         if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2645             ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2646                 wpa_printf(MSG_ERROR,
2647                            "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2648                 return -1;
2649         }
2650
2651         /*
2652          * TODO: If necessary write our own group_add function,
2653          * for now we can reuse select_network
2654          */
2655         wpa_supplicant_select_network(wpa_s, ssid);
2656
2657         return 0;
2658 }
2659
2660
2661 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2662         struct wpa_supplicant *wpa_s, char *cmd)
2663 {
2664         struct wpa_supplicant *orig;
2665         struct wpa_global *global;
2666         int found = 0;
2667
2668         wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2669
2670         global = wpa_s->global;
2671         orig = wpa_s;
2672
2673         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2674                 if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2675                         found = 1;
2676                         break;
2677                 }
2678         }
2679         if (!found) {
2680                 wpa_printf(MSG_ERROR,
2681                            "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2682                            cmd);
2683                 return -1;
2684         }
2685         if (wpa_s->mesh_if_created && wpa_s == orig) {
2686                 wpa_printf(MSG_ERROR,
2687                            "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2688                 return -1;
2689         }
2690
2691         wpa_s->reassociate = 0;
2692         wpa_s->disconnected = 1;
2693         wpa_supplicant_cancel_sched_scan(wpa_s);
2694         wpa_supplicant_cancel_scan(wpa_s);
2695
2696         /*
2697          * TODO: If necessary write our own group_remove function,
2698          * for now we can reuse deauthenticate
2699          */
2700         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2701
2702         if (wpa_s->mesh_if_created)
2703                 wpa_supplicant_remove_iface(global, wpa_s, 0);
2704
2705         return 0;
2706 }
2707
2708 #endif /* CONFIG_MESH */
2709
2710
2711 static int wpa_supplicant_ctrl_iface_select_network(
2712         struct wpa_supplicant *wpa_s, char *cmd)
2713 {
2714         int id;
2715         struct wpa_ssid *ssid;
2716         char *pos;
2717
2718         /* cmd: "<network id>" or "any" */
2719         if (os_strncmp(cmd, "any", 3) == 0) {
2720                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2721                 ssid = NULL;
2722         } else {
2723                 id = atoi(cmd);
2724                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2725
2726                 ssid = wpa_config_get_network(wpa_s->conf, id);
2727                 if (ssid == NULL) {
2728                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2729                                    "network id=%d", id);
2730                         return -1;
2731                 }
2732                 if (ssid->disabled == 2) {
2733                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2734                                    "SELECT_NETWORK with persistent P2P group");
2735                         return -1;
2736                 }
2737         }
2738
2739         pos = os_strstr(cmd, " freq=");
2740         if (pos) {
2741                 int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2742                 if (freqs) {
2743                         wpa_s->scan_req = MANUAL_SCAN_REQ;
2744                         os_free(wpa_s->manual_scan_freqs);
2745                         wpa_s->manual_scan_freqs = freqs;
2746                 }
2747         }
2748
2749         wpa_s->scan_min_time.sec = 0;
2750         wpa_s->scan_min_time.usec = 0;
2751         wpa_supplicant_select_network(wpa_s, ssid);
2752
2753         return 0;
2754 }
2755
2756
2757 static int wpa_supplicant_ctrl_iface_enable_network(
2758         struct wpa_supplicant *wpa_s, char *cmd)
2759 {
2760         int id;
2761         struct wpa_ssid *ssid;
2762
2763         /* cmd: "<network id>" or "all" */
2764         if (os_strcmp(cmd, "all") == 0) {
2765                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2766                 ssid = NULL;
2767         } else {
2768                 id = atoi(cmd);
2769                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2770
2771                 ssid = wpa_config_get_network(wpa_s->conf, id);
2772                 if (ssid == NULL) {
2773                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2774                                    "network id=%d", id);
2775                         return -1;
2776                 }
2777                 if (ssid->disabled == 2) {
2778                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2779                                    "ENABLE_NETWORK with persistent P2P group");
2780                         return -1;
2781                 }
2782
2783                 if (os_strstr(cmd, " no-connect")) {
2784                         ssid->disabled = 0;
2785                         return 0;
2786                 }
2787         }
2788         wpa_s->scan_min_time.sec = 0;
2789         wpa_s->scan_min_time.usec = 0;
2790         wpa_supplicant_enable_network(wpa_s, ssid);
2791
2792         return 0;
2793 }
2794
2795
2796 static int wpa_supplicant_ctrl_iface_disable_network(
2797         struct wpa_supplicant *wpa_s, char *cmd)
2798 {
2799         int id;
2800         struct wpa_ssid *ssid;
2801
2802         /* cmd: "<network id>" or "all" */
2803         if (os_strcmp(cmd, "all") == 0) {
2804                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2805                 ssid = NULL;
2806         } else {
2807                 id = atoi(cmd);
2808                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2809
2810                 ssid = wpa_config_get_network(wpa_s->conf, id);
2811                 if (ssid == NULL) {
2812                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2813                                    "network id=%d", id);
2814                         return -1;
2815                 }
2816                 if (ssid->disabled == 2) {
2817                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2818                                    "DISABLE_NETWORK with persistent P2P "
2819                                    "group");
2820                         return -1;
2821                 }
2822         }
2823         wpa_supplicant_disable_network(wpa_s, ssid);
2824
2825         return 0;
2826 }
2827
2828
2829 static int wpa_supplicant_ctrl_iface_add_network(
2830         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2831 {
2832         struct wpa_ssid *ssid;
2833         int ret;
2834
2835         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2836
2837         ssid = wpa_config_add_network(wpa_s->conf);
2838         if (ssid == NULL)
2839                 return -1;
2840
2841         wpas_notify_network_added(wpa_s, ssid);
2842
2843         ssid->disabled = 1;
2844         wpa_config_set_network_defaults(ssid);
2845
2846         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2847         if (os_snprintf_error(buflen, ret))
2848                 return -1;
2849         return ret;
2850 }
2851
2852
2853 static int wpa_supplicant_ctrl_iface_remove_network(
2854         struct wpa_supplicant *wpa_s, char *cmd)
2855 {
2856         int id;
2857         struct wpa_ssid *ssid;
2858         int was_disabled;
2859
2860         /* cmd: "<network id>" or "all" */
2861         if (os_strcmp(cmd, "all") == 0) {
2862                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2863                 if (wpa_s->sched_scanning)
2864                         wpa_supplicant_cancel_sched_scan(wpa_s);
2865
2866                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2867                 if (wpa_s->current_ssid) {
2868 #ifdef CONFIG_SME
2869                         wpa_s->sme.prev_bssid_set = 0;
2870 #endif /* CONFIG_SME */
2871                         wpa_sm_set_config(wpa_s->wpa, NULL);
2872                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2873                         if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2874                                 wpa_s->own_disconnect_req = 1;
2875                         wpa_supplicant_deauthenticate(
2876                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2877                 }
2878                 ssid = wpa_s->conf->ssid;
2879                 while (ssid) {
2880                         struct wpa_ssid *remove_ssid = ssid;
2881                         id = ssid->id;
2882                         ssid = ssid->next;
2883                         if (wpa_s->last_ssid == remove_ssid)
2884                                 wpa_s->last_ssid = NULL;
2885                         wpas_notify_network_removed(wpa_s, remove_ssid);
2886                         wpa_config_remove_network(wpa_s->conf, id);
2887                 }
2888                 return 0;
2889         }
2890
2891         id = atoi(cmd);
2892         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2893
2894         ssid = wpa_config_get_network(wpa_s->conf, id);
2895         if (ssid)
2896                 wpas_notify_network_removed(wpa_s, ssid);
2897         if (ssid == NULL) {
2898                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2899                            "id=%d", id);
2900                 return -1;
2901         }
2902
2903         if (wpa_s->last_ssid == ssid)
2904                 wpa_s->last_ssid = NULL;
2905
2906         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2907 #ifdef CONFIG_SME
2908                 wpa_s->sme.prev_bssid_set = 0;
2909 #endif /* CONFIG_SME */
2910                 /*
2911                  * Invalidate the EAP session cache if the current or
2912                  * previously used network is removed.
2913                  */
2914                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2915         }
2916
2917         if (ssid == wpa_s->current_ssid) {
2918                 wpa_sm_set_config(wpa_s->wpa, NULL);
2919                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2920
2921                 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2922                         wpa_s->own_disconnect_req = 1;
2923                 wpa_supplicant_deauthenticate(wpa_s,
2924                                               WLAN_REASON_DEAUTH_LEAVING);
2925         }
2926
2927         was_disabled = ssid->disabled;
2928
2929         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2930                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2931                            "network id=%d", id);
2932                 return -1;
2933         }
2934
2935         if (!was_disabled && wpa_s->sched_scanning) {
2936                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2937                            "network from filters");
2938                 wpa_supplicant_cancel_sched_scan(wpa_s);
2939                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2940         }
2941
2942         return 0;
2943 }
2944
2945
2946 static int wpa_supplicant_ctrl_iface_update_network(
2947         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
2948         char *name, char *value)
2949 {
2950         if (wpa_config_set(ssid, name, value, 0) < 0) {
2951                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2952                            "variable '%s'", name);
2953                 return -1;
2954         }
2955
2956         if (os_strcmp(name, "bssid") != 0 &&
2957             os_strcmp(name, "priority") != 0)
2958                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2959
2960         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2961                 /*
2962                  * Invalidate the EAP session cache if anything in the current
2963                  * or previously used configuration changes.
2964                  */
2965                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2966         }
2967
2968         if ((os_strcmp(name, "psk") == 0 &&
2969              value[0] == '"' && ssid->ssid_len) ||
2970             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2971                 wpa_config_update_psk(ssid);
2972         else if (os_strcmp(name, "priority") == 0)
2973                 wpa_config_update_prio_list(wpa_s->conf);
2974
2975         return 0;
2976 }
2977
2978
2979 static int wpa_supplicant_ctrl_iface_set_network(
2980         struct wpa_supplicant *wpa_s, char *cmd)
2981 {
2982         int id, ret, prev_bssid_set, prev_disabled;
2983         struct wpa_ssid *ssid;
2984         char *name, *value;
2985         u8 prev_bssid[ETH_ALEN];
2986
2987         /* cmd: "<network id> <variable name> <value>" */
2988         name = os_strchr(cmd, ' ');
2989         if (name == NULL)
2990                 return -1;
2991         *name++ = '\0';
2992
2993         value = os_strchr(name, ' ');
2994         if (value == NULL)
2995                 return -1;
2996         *value++ = '\0';
2997
2998         id = atoi(cmd);
2999         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3000                    id, name);
3001         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3002                               (u8 *) value, os_strlen(value));
3003
3004         ssid = wpa_config_get_network(wpa_s->conf, id);
3005         if (ssid == NULL) {
3006                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3007                            "id=%d", id);
3008                 return -1;
3009         }
3010
3011         prev_bssid_set = ssid->bssid_set;
3012         prev_disabled = ssid->disabled;
3013         os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3014         ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3015                                                        value);
3016         if (ret == 0 &&
3017             (ssid->bssid_set != prev_bssid_set ||
3018              os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3019                 wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3020
3021         if (prev_disabled != ssid->disabled &&
3022             (prev_disabled == 2 || ssid->disabled == 2))
3023                 wpas_notify_network_type_changed(wpa_s, ssid);
3024
3025         return ret;
3026 }
3027
3028
3029 static int wpa_supplicant_ctrl_iface_get_network(
3030         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3031 {
3032         int id;
3033         size_t res;
3034         struct wpa_ssid *ssid;
3035         char *name, *value;
3036
3037         /* cmd: "<network id> <variable name>" */
3038         name = os_strchr(cmd, ' ');
3039         if (name == NULL || buflen == 0)
3040                 return -1;
3041         *name++ = '\0';
3042
3043         id = atoi(cmd);
3044         wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3045                    id, name);
3046
3047         ssid = wpa_config_get_network(wpa_s->conf, id);
3048         if (ssid == NULL) {
3049                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3050                            "id=%d", id);
3051                 return -1;
3052         }
3053
3054         value = wpa_config_get_no_key(ssid, name);
3055         if (value == NULL) {
3056                 wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3057                            "variable '%s'", name);
3058                 return -1;
3059         }
3060
3061         res = os_strlcpy(buf, value, buflen);
3062         if (res >= buflen) {
3063                 os_free(value);
3064                 return -1;
3065         }
3066
3067         os_free(value);
3068
3069         return res;
3070 }
3071
3072
3073 static int wpa_supplicant_ctrl_iface_dup_network(
3074         struct wpa_supplicant *wpa_s, char *cmd,
3075         struct wpa_supplicant *dst_wpa_s)
3076 {
3077         struct wpa_ssid *ssid_s, *ssid_d;
3078         char *name, *id, *value;
3079         int id_s, id_d, ret;
3080
3081         /* cmd: "<src network id> <dst network id> <variable name>" */
3082         id = os_strchr(cmd, ' ');
3083         if (id == NULL)
3084                 return -1;
3085         *id++ = '\0';
3086
3087         name = os_strchr(id, ' ');
3088         if (name == NULL)
3089                 return -1;
3090         *name++ = '\0';
3091
3092         id_s = atoi(cmd);
3093         id_d = atoi(id);
3094
3095         wpa_printf(MSG_DEBUG,
3096                    "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3097                    wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3098
3099         ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3100         if (ssid_s == NULL) {
3101                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3102                            "network id=%d", id_s);
3103                 return -1;
3104         }
3105
3106         ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3107         if (ssid_d == NULL) {
3108                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3109                            "network id=%d", id_d);
3110                 return -1;
3111         }
3112
3113         value = wpa_config_get(ssid_s, name);
3114         if (value == NULL) {
3115                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3116                            "variable '%s'", name);
3117                 return -1;
3118         }
3119
3120         ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3121                                                        value);
3122
3123         os_free(value);
3124
3125         return ret;
3126 }
3127
3128
3129 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3130                                                 char *buf, size_t buflen)
3131 {
3132         char *pos, *end;
3133         struct wpa_cred *cred;
3134         int ret;
3135
3136         pos = buf;
3137         end = buf + buflen;
3138         ret = os_snprintf(pos, end - pos,
3139                           "cred id / realm / username / domain / imsi\n");
3140         if (os_snprintf_error(end - pos, ret))
3141                 return pos - buf;
3142         pos += ret;
3143
3144         cred = wpa_s->conf->cred;
3145         while (cred) {
3146                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3147                                   cred->id, cred->realm ? cred->realm : "",
3148                                   cred->username ? cred->username : "",
3149                                   cred->domain ? cred->domain[0] : "",
3150                                   cred->imsi ? cred->imsi : "");
3151                 if (os_snprintf_error(end - pos, ret))
3152                         return pos - buf;
3153                 pos += ret;
3154
3155                 cred = cred->next;
3156         }
3157
3158         return pos - buf;
3159 }
3160
3161
3162 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3163                                               char *buf, size_t buflen)
3164 {
3165         struct wpa_cred *cred;
3166         int ret;
3167
3168         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3169
3170         cred = wpa_config_add_cred(wpa_s->conf);
3171         if (cred == NULL)
3172                 return -1;
3173
3174         wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3175
3176         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3177         if (os_snprintf_error(buflen, ret))
3178                 return -1;
3179         return ret;
3180 }
3181
3182
3183 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3184                                  struct wpa_cred *cred)
3185 {
3186         struct wpa_ssid *ssid;
3187         char str[20];
3188         int id;
3189
3190         if (cred == NULL) {
3191                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3192                 return -1;
3193         }
3194
3195         id = cred->id;
3196         if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3198                 return -1;
3199         }
3200
3201         wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3202
3203         /* Remove any network entry created based on the removed credential */
3204         ssid = wpa_s->conf->ssid;
3205         while (ssid) {
3206                 if (ssid->parent_cred == cred) {
3207                         int res;
3208
3209                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3210                                    "used the removed credential", ssid->id);
3211                         res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3212                         if (os_snprintf_error(sizeof(str), res))
3213                                 str[sizeof(str) - 1] = '\0';
3214                         ssid = ssid->next;
3215                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3216                 } else
3217                         ssid = ssid->next;
3218         }
3219
3220         return 0;
3221 }
3222
3223
3224 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3225                                                  char *cmd)
3226 {
3227         int id;
3228         struct wpa_cred *cred, *prev;
3229
3230         /* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3231          * "provisioning_sp=<FQDN> */
3232         if (os_strcmp(cmd, "all") == 0) {
3233                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3234                 cred = wpa_s->conf->cred;
3235                 while (cred) {
3236                         prev = cred;
3237                         cred = cred->next;
3238                         wpas_ctrl_remove_cred(wpa_s, prev);
3239                 }
3240                 return 0;
3241         }
3242
3243         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3244                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3245                            cmd + 8);
3246                 cred = wpa_s->conf->cred;
3247                 while (cred) {
3248                         prev = cred;
3249                         cred = cred->next;
3250                         if (prev->domain) {
3251                                 size_t i;
3252                                 for (i = 0; i < prev->num_domain; i++) {
3253                                         if (os_strcmp(prev->domain[i], cmd + 8)
3254                                             != 0)
3255                                                 continue;
3256                                         wpas_ctrl_remove_cred(wpa_s, prev);
3257                                         break;
3258                                 }
3259                         }
3260                 }
3261                 return 0;
3262         }
3263
3264         if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3265                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3266                            cmd + 16);
3267                 cred = wpa_s->conf->cred;
3268                 while (cred) {
3269                         prev = cred;
3270                         cred = cred->next;
3271                         if (prev->provisioning_sp &&
3272                             os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3273                                 wpas_ctrl_remove_cred(wpa_s, prev);
3274                 }
3275                 return 0;
3276         }
3277
3278         id = atoi(cmd);
3279         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3280
3281         cred = wpa_config_get_cred(wpa_s->conf, id);
3282         return wpas_ctrl_remove_cred(wpa_s, cred);
3283 }
3284
3285
3286 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3287                                               char *cmd)
3288 {
3289         int id;
3290         struct wpa_cred *cred;
3291         char *name, *value;
3292
3293         /* cmd: "<cred id> <variable name> <value>" */
3294         name = os_strchr(cmd, ' ');
3295         if (name == NULL)
3296                 return -1;
3297         *name++ = '\0';
3298
3299         value = os_strchr(name, ' ');
3300         if (value == NULL)
3301                 return -1;
3302         *value++ = '\0';
3303
3304         id = atoi(cmd);
3305         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3306                    id, name);
3307         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3308                               (u8 *) value, os_strlen(value));
3309
3310         cred = wpa_config_get_cred(wpa_s->conf, id);
3311         if (cred == NULL) {
3312                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3313                            id);
3314                 return -1;
3315         }
3316
3317         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3318                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3319                            "variable '%s'", name);
3320                 return -1;
3321         }
3322
3323         wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3324
3325         return 0;
3326 }
3327
3328
3329 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3330                                               char *cmd, char *buf,
3331                                               size_t buflen)
3332 {
3333         int id;
3334         size_t res;
3335         struct wpa_cred *cred;
3336         char *name, *value;
3337
3338         /* cmd: "<cred id> <variable name>" */
3339         name = os_strchr(cmd, ' ');
3340         if (name == NULL)
3341                 return -1;
3342         *name++ = '\0';
3343
3344         id = atoi(cmd);
3345         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3346                    id, name);
3347
3348         cred = wpa_config_get_cred(wpa_s->conf, id);
3349         if (cred == NULL) {
3350                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3351                            id);
3352                 return -1;
3353         }
3354
3355         value = wpa_config_get_cred_no_key(cred, name);
3356         if (value == NULL) {
3357                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3358                            name);
3359                 return -1;
3360         }
3361
3362         res = os_strlcpy(buf, value, buflen);
3363         if (res >= buflen) {
3364                 os_free(value);
3365                 return -1;
3366         }
3367
3368         os_free(value);
3369
3370         return res;
3371 }
3372
3373
3374 #ifndef CONFIG_NO_CONFIG_WRITE
3375 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3376 {
3377         int ret;
3378
3379         if (!wpa_s->conf->update_config) {
3380                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3381                            "to update configuration (update_config=0)");
3382                 return -1;
3383         }
3384
3385         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3386         if (ret) {
3387                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3388                            "update configuration");
3389         } else {
3390                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3391                            " updated");
3392         }
3393
3394         return ret;
3395 }
3396 #endif /* CONFIG_NO_CONFIG_WRITE */
3397
3398
3399 struct cipher_info {
3400         unsigned int capa;
3401         const char *name;
3402         int group_only;
3403 };
3404
3405 static const struct cipher_info ciphers[] = {
3406         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3407         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3408         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3409         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3410         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3411         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3412         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3413         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3414 };
3415
3416 static const struct cipher_info ciphers_group_mgmt[] = {
3417         { WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3418         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3419         { WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3420         { WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3421 };
3422
3423
3424 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3425                                               struct wpa_driver_capa *capa,
3426                                               char *buf, size_t buflen)
3427 {
3428         int ret;
3429         char *pos, *end;
3430         size_t len;
3431         unsigned int i;
3432
3433         pos = buf;
3434         end = pos + buflen;
3435
3436         if (res < 0) {
3437                 if (strict)
3438                         return 0;
3439                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3440                 if (len >= buflen)
3441                         return -1;
3442                 return len;
3443         }
3444
3445         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3446                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3447                         ret = os_snprintf(pos, end - pos, "%s%s",
3448                                           pos == buf ? "" : " ",
3449                                           ciphers[i].name);
3450                         if (os_snprintf_error(end - pos, ret))
3451                                 return pos - buf;
3452                         pos += ret;
3453                 }
3454         }
3455
3456         return pos - buf;
3457 }
3458
3459
3460 static int ctrl_iface_get_capability_group(int res, char *strict,
3461                                            struct wpa_driver_capa *capa,
3462                                            char *buf, size_t buflen)
3463 {
3464         int ret;
3465         char *pos, *end;
3466         size_t len;
3467         unsigned int i;
3468
3469         pos = buf;
3470         end = pos + buflen;
3471
3472         if (res < 0) {
3473                 if (strict)
3474                         return 0;
3475                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3476                 if (len >= buflen)
3477                         return -1;
3478                 return len;
3479         }
3480
3481         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3482                 if (capa->enc & ciphers[i].capa) {
3483                         ret = os_snprintf(pos, end - pos, "%s%s",
3484                                           pos == buf ? "" : " ",
3485                                           ciphers[i].name);
3486                         if (os_snprintf_error(end - pos, ret))
3487                                 return pos - buf;
3488                         pos += ret;
3489                 }
3490         }
3491
3492         return pos - buf;
3493 }
3494
3495
3496 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3497                                                 struct wpa_driver_capa *capa,
3498                                                 char *buf, size_t buflen)
3499 {
3500         int ret;
3501         char *pos, *end;
3502         unsigned int i;
3503
3504         pos = buf;
3505         end = pos + buflen;
3506
3507         if (res < 0)
3508                 return 0;
3509
3510         for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3511                 if (capa->enc & ciphers_group_mgmt[i].capa) {
3512                         ret = os_snprintf(pos, end - pos, "%s%s",
3513                                           pos == buf ? "" : " ",
3514                                           ciphers_group_mgmt[i].name);
3515                         if (os_snprintf_error(end - pos, ret))
3516                                 return pos - buf;
3517                         pos += ret;
3518                 }
3519         }
3520
3521         return pos - buf;
3522 }
3523
3524
3525 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3526                                               struct wpa_driver_capa *capa,
3527                                               char *buf, size_t buflen)
3528 {
3529         int ret;
3530         char *pos, *end;
3531         size_t len;
3532
3533         pos = buf;
3534         end = pos + buflen;
3535
3536         if (res < 0) {
3537                 if (strict)
3538                         return 0;
3539                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3540                                  "NONE", buflen);
3541                 if (len >= buflen)
3542                         return -1;
3543                 return len;
3544         }
3545
3546         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3547         if (os_snprintf_error(end - pos, ret))
3548                 return pos - buf;
3549         pos += ret;
3550
3551         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3552                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3553                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
3554                 if (os_snprintf_error(end - pos, ret))
3555                         return pos - buf;
3556                 pos += ret;
3557         }
3558
3559         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3560                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3561                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
3562                 if (os_snprintf_error(end - pos, ret))
3563                         return pos - buf;
3564                 pos += ret;
3565         }
3566
3567         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3568                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
3569                 if (os_snprintf_error(end - pos, ret))
3570                         return pos - buf;
3571                 pos += ret;
3572         }
3573
3574 #ifdef CONFIG_SUITEB
3575         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3576                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3577                 if (os_snprintf_error(end - pos, ret))
3578                         return pos - buf;
3579                 pos += ret;
3580         }
3581 #endif /* CONFIG_SUITEB */
3582 #ifdef CONFIG_SUITEB192
3583         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3584                 ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3585                 if (os_snprintf_error(end - pos, ret))
3586                         return pos - buf;
3587                 pos += ret;
3588         }
3589 #endif /* CONFIG_SUITEB192 */
3590
3591         return pos - buf;
3592 }
3593
3594
3595 static int ctrl_iface_get_capability_proto(int res, char *strict,
3596                                            struct wpa_driver_capa *capa,
3597                                            char *buf, size_t buflen)
3598 {
3599         int ret;
3600         char *pos, *end;
3601         size_t len;
3602
3603         pos = buf;
3604         end = pos + buflen;
3605
3606         if (res < 0) {
3607                 if (strict)
3608                         return 0;
3609                 len = os_strlcpy(buf, "RSN WPA", buflen);
3610                 if (len >= buflen)
3611                         return -1;
3612                 return len;
3613         }
3614
3615         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3616                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3617                 ret = os_snprintf(pos, end - pos, "%sRSN",
3618                                   pos == buf ? "" : " ");
3619                 if (os_snprintf_error(end - pos, ret))
3620                         return pos - buf;
3621                 pos += ret;
3622         }
3623
3624         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3625                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3626                 ret = os_snprintf(pos, end - pos, "%sWPA",
3627                                   pos == buf ? "" : " ");
3628                 if (os_snprintf_error(end - pos, ret))
3629                         return pos - buf;
3630                 pos += ret;
3631         }
3632
3633         return pos - buf;
3634 }
3635
3636
3637 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3638                                               int res, char *strict,
3639                                               struct wpa_driver_capa *capa,
3640                                               char *buf, size_t buflen)
3641 {
3642         int ret;
3643         char *pos, *end;
3644         size_t len;
3645
3646         pos = buf;
3647         end = pos + buflen;
3648
3649         if (res < 0) {
3650                 if (strict)
3651                         return 0;
3652                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3653                 if (len >= buflen)
3654                         return -1;
3655                 return len;
3656         }
3657
3658         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3659                 ret = os_snprintf(pos, end - pos, "%sOPEN",
3660                                   pos == buf ? "" : " ");
3661                 if (os_snprintf_error(end - pos, ret))
3662                         return pos - buf;
3663                 pos += ret;
3664         }
3665
3666         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3667                 ret = os_snprintf(pos, end - pos, "%sSHARED",
3668                                   pos == buf ? "" : " ");
3669                 if (os_snprintf_error(end - pos, ret))
3670                         return pos - buf;
3671                 pos += ret;
3672         }
3673
3674         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3675                 ret = os_snprintf(pos, end - pos, "%sLEAP",
3676                                   pos == buf ? "" : " ");
3677                 if (os_snprintf_error(end - pos, ret))
3678                         return pos - buf;
3679                 pos += ret;
3680         }
3681
3682 #ifdef CONFIG_SAE
3683         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3684                 ret = os_snprintf(pos, end - pos, "%sSAE",
3685                                   pos == buf ? "" : " ");
3686                 if (os_snprintf_error(end - pos, ret))
3687                         return pos - buf;
3688                 pos += ret;
3689         }
3690 #endif /* CONFIG_SAE */
3691
3692         return pos - buf;
3693 }
3694
3695
3696 static int ctrl_iface_get_capability_modes(int res, char *strict,
3697                                            struct wpa_driver_capa *capa,
3698                                            char *buf, size_t buflen)
3699 {
3700         int ret;
3701         char *pos, *end;
3702         size_t len;
3703
3704         pos = buf;
3705         end = pos + buflen;
3706
3707         if (res < 0) {
3708                 if (strict)
3709                         return 0;
3710                 len = os_strlcpy(buf, "IBSS AP", buflen);
3711                 if (len >= buflen)
3712                         return -1;
3713                 return len;
3714         }
3715
3716         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3717                 ret = os_snprintf(pos, end - pos, "%sIBSS",
3718                                   pos == buf ? "" : " ");
3719                 if (os_snprintf_error(end - pos, ret))
3720                         return pos - buf;
3721                 pos += ret;
3722         }
3723
3724         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3725                 ret = os_snprintf(pos, end - pos, "%sAP",
3726                                   pos == buf ? "" : " ");
3727                 if (os_snprintf_error(end - pos, ret))
3728                         return pos - buf;
3729                 pos += ret;
3730         }
3731
3732 #ifdef CONFIG_MESH
3733         if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3734                 ret = os_snprintf(pos, end - pos, "%sMESH",
3735                                   pos == buf ? "" : " ");
3736                 if (os_snprintf_error(end - pos, ret))
3737                         return pos - buf;
3738                 pos += ret;
3739         }
3740 #endif /* CONFIG_MESH */
3741
3742         return pos - buf;
3743 }
3744
3745
3746 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3747                                               char *buf, size_t buflen)
3748 {
3749         struct hostapd_channel_data *chnl;
3750         int ret, i, j;
3751         char *pos, *end, *hmode;
3752
3753         pos = buf;
3754         end = pos + buflen;
3755
3756         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3757                 switch (wpa_s->hw.modes[j].mode) {
3758                 case HOSTAPD_MODE_IEEE80211B:
3759                         hmode = "B";
3760                         break;
3761                 case HOSTAPD_MODE_IEEE80211G:
3762                         hmode = "G";
3763                         break;
3764                 case HOSTAPD_MODE_IEEE80211A:
3765                         hmode = "A";
3766                         break;
3767                 case HOSTAPD_MODE_IEEE80211AD:
3768                         hmode = "AD";
3769                         break;
3770                 default:
3771                         continue;
3772                 }
3773                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3774                 if (os_snprintf_error(end - pos, ret))
3775                         return pos - buf;
3776                 pos += ret;
3777                 chnl = wpa_s->hw.modes[j].channels;
3778                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3779                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3780                                 continue;
3781                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3782                         if (os_snprintf_error(end - pos, ret))
3783                                 return pos - buf;
3784                         pos += ret;
3785                 }
3786                 ret = os_snprintf(pos, end - pos, "\n");
3787                 if (os_snprintf_error(end - pos, ret))
3788                         return pos - buf;
3789                 pos += ret;
3790         }
3791
3792         return pos - buf;
3793 }
3794
3795
3796 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3797                                           char *buf, size_t buflen)
3798 {
3799         struct hostapd_channel_data *chnl;
3800         int ret, i, j;
3801         char *pos, *end, *hmode;
3802
3803         pos = buf;
3804         end = pos + buflen;
3805
3806         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3807                 switch (wpa_s->hw.modes[j].mode) {
3808                 case HOSTAPD_MODE_IEEE80211B:
3809                         hmode = "B";
3810                         break;
3811                 case HOSTAPD_MODE_IEEE80211G:
3812                         hmode = "G";
3813                         break;
3814                 case HOSTAPD_MODE_IEEE80211A:
3815                         hmode = "A";
3816                         break;
3817                 case HOSTAPD_MODE_IEEE80211AD:
3818                         hmode = "AD";
3819                         break;
3820                 default:
3821                         continue;
3822                 }
3823                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3824                                   hmode);
3825                 if (os_snprintf_error(end - pos, ret))
3826                         return pos - buf;
3827                 pos += ret;
3828                 chnl = wpa_s->hw.modes[j].channels;
3829                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3830                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3831                                 continue;
3832                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
3833                                           chnl[i].chan, chnl[i].freq,
3834                                           chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
3835                                           " (NO_IR)" : "",
3836                                           chnl[i].flag & HOSTAPD_CHAN_RADAR ?
3837                                           " (DFS)" : "");
3838
3839                         if (os_snprintf_error(end - pos, ret))
3840                                 return pos - buf;
3841                         pos += ret;
3842                 }
3843                 ret = os_snprintf(pos, end - pos, "\n");
3844                 if (os_snprintf_error(end - pos, ret))
3845                         return pos - buf;
3846                 pos += ret;
3847         }
3848
3849         return pos - buf;
3850 }
3851
3852
3853 static int wpa_supplicant_ctrl_iface_get_capability(
3854         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3855         size_t buflen)
3856 {
3857         struct wpa_driver_capa capa;
3858         int res;
3859         char *strict;
3860         char field[30];
3861         size_t len;
3862
3863         /* Determine whether or not strict checking was requested */
3864         len = os_strlcpy(field, _field, sizeof(field));
3865         if (len >= sizeof(field))
3866                 return -1;
3867         strict = os_strchr(field, ' ');
3868         if (strict != NULL) {
3869                 *strict++ = '\0';
3870                 if (os_strcmp(strict, "strict") != 0)
3871                         return -1;
3872         }
3873
3874         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3875                 field, strict ? strict : "");
3876
3877         if (os_strcmp(field, "eap") == 0) {
3878                 return eap_get_names(buf, buflen);
3879         }
3880
3881         res = wpa_drv_get_capa(wpa_s, &capa);
3882
3883         if (os_strcmp(field, "pairwise") == 0)
3884                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3885                                                           buf, buflen);
3886
3887         if (os_strcmp(field, "group") == 0)
3888                 return ctrl_iface_get_capability_group(res, strict, &capa,
3889                                                        buf, buflen);
3890
3891         if (os_strcmp(field, "group_mgmt") == 0)
3892                 return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
3893                                                             buf, buflen);
3894
3895         if (os_strcmp(field, "key_mgmt") == 0)
3896                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3897                                                           buf, buflen);
3898
3899         if (os_strcmp(field, "proto") == 0)
3900                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3901                                                        buf, buflen);
3902
3903         if (os_strcmp(field, "auth_alg") == 0)
3904                 return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
3905                                                           &capa, buf, buflen);
3906
3907         if (os_strcmp(field, "modes") == 0)
3908                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3909                                                        buf, buflen);
3910
3911         if (os_strcmp(field, "channels") == 0)
3912                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3913
3914         if (os_strcmp(field, "freq") == 0)
3915                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3916
3917 #ifdef CONFIG_TDLS
3918         if (os_strcmp(field, "tdls") == 0)
3919                 return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
3920 #endif /* CONFIG_TDLS */
3921
3922 #ifdef CONFIG_ERP
3923         if (os_strcmp(field, "erp") == 0) {
3924                 res = os_snprintf(buf, buflen, "ERP");
3925                 if (os_snprintf_error(buflen, res))
3926                         return -1;
3927                 return res;
3928         }
3929 #endif /* CONFIG_EPR */
3930
3931 #ifdef CONFIG_FIPS
3932         if (os_strcmp(field, "fips") == 0) {
3933                 res = os_snprintf(buf, buflen, "FIPS");
3934                 if (os_snprintf_error(buflen, res))
3935                         return -1;
3936                 return res;
3937         }
3938 #endif /* CONFIG_FIPS */
3939
3940 #ifdef CONFIG_ACS
3941         if (os_strcmp(field, "acs") == 0) {
3942                 res = os_snprintf(buf, buflen, "ACS");
3943                 if (os_snprintf_error(buflen, res))
3944                         return -1;
3945                 return res;
3946         }
3947 #endif /* CONFIG_ACS */
3948
3949         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3950                    field);
3951
3952         return -1;
3953 }
3954
3955
3956 #ifdef CONFIG_INTERWORKING
3957 static char * anqp_add_hex(char *pos, char *end, const char *title,
3958                            struct wpabuf *data)
3959 {
3960         char *start = pos;
3961         size_t i;
3962         int ret;
3963         const u8 *d;
3964
3965         if (data == NULL)
3966                 return start;
3967
3968         ret = os_snprintf(pos, end - pos, "%s=", title);
3969         if (os_snprintf_error(end - pos, ret))
3970                 return start;
3971         pos += ret;
3972
3973         d = wpabuf_head_u8(data);
3974         for (i = 0; i < wpabuf_len(data); i++) {
3975                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3976                 if (os_snprintf_error(end - pos, ret))
3977                         return start;
3978                 pos += ret;
3979         }
3980
3981         ret = os_snprintf(pos, end - pos, "\n");
3982         if (os_snprintf_error(end - pos, ret))
3983                 return start;
3984         pos += ret;
3985
3986         return pos;
3987 }
3988 #endif /* CONFIG_INTERWORKING */
3989
3990
3991 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3992                           unsigned long mask, char *buf, size_t buflen)
3993 {
3994         size_t i;
3995         int ret;
3996         char *pos, *end;
3997         const u8 *ie, *ie2, *osen_ie;
3998
3999         pos = buf;
4000         end = buf + buflen;
4001
4002         if (mask & WPA_BSS_MASK_ID) {
4003                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4004                 if (os_snprintf_error(end - pos, ret))
4005                         return 0;
4006                 pos += ret;
4007         }
4008
4009         if (mask & WPA_BSS_MASK_BSSID) {
4010                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4011                                   MAC2STR(bss->bssid));
4012                 if (os_snprintf_error(end - pos, ret))
4013                         return 0;
4014                 pos += ret;
4015         }
4016
4017         if (mask & WPA_BSS_MASK_FREQ) {
4018                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4019                 if (os_snprintf_error(end - pos, ret))
4020                         return 0;
4021                 pos += ret;
4022         }
4023
4024         if (mask & WPA_BSS_MASK_BEACON_INT) {
4025                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4026                                   bss->beacon_int);
4027                 if (os_snprintf_error(end - pos, ret))
4028                         return 0;
4029                 pos += ret;
4030         }
4031
4032         if (mask & WPA_BSS_MASK_CAPABILITIES) {
4033                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4034                                   bss->caps);
4035                 if (os_snprintf_error(end - pos, ret))
4036                         return 0;
4037                 pos += ret;
4038         }
4039
4040         if (mask & WPA_BSS_MASK_QUAL) {
4041                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4042                 if (os_snprintf_error(end - pos, ret))
4043                         return 0;
4044                 pos += ret;
4045         }
4046
4047         if (mask & WPA_BSS_MASK_NOISE) {
4048                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4049                 if (os_snprintf_error(end - pos, ret))
4050                         return 0;
4051                 pos += ret;
4052         }
4053
4054         if (mask & WPA_BSS_MASK_LEVEL) {
4055                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4056                 if (os_snprintf_error(end - pos, ret))
4057                         return 0;
4058                 pos += ret;
4059         }
4060
4061         if (mask & WPA_BSS_MASK_TSF) {
4062                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4063                                   (unsigned long long) bss->tsf);
4064                 if (os_snprintf_error(end - pos, ret))
4065                         return 0;
4066                 pos += ret;
4067         }
4068
4069         if (mask & WPA_BSS_MASK_AGE) {
4070                 struct os_reltime now;
4071
4072                 os_get_reltime(&now);
4073                 ret = os_snprintf(pos, end - pos, "age=%d\n",
4074                                   (int) (now.sec - bss->last_update.sec));
4075                 if (os_snprintf_error(end - pos, ret))
4076                         return 0;
4077                 pos += ret;
4078         }
4079
4080         if (mask & WPA_BSS_MASK_IE) {
4081                 ret = os_snprintf(pos, end - pos, "ie=");
4082                 if (os_snprintf_error(end - pos, ret))
4083                         return 0;
4084                 pos += ret;
4085
4086                 ie = (const u8 *) (bss + 1);
4087                 for (i = 0; i < bss->ie_len; i++) {
4088                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4089                         if (os_snprintf_error(end - pos, ret))
4090                                 return 0;
4091                         pos += ret;
4092                 }
4093
4094                 ret = os_snprintf(pos, end - pos, "\n");
4095                 if (os_snprintf_error(end - pos, ret))
4096                         return 0;
4097                 pos += ret;
4098         }
4099
4100         if (mask & WPA_BSS_MASK_FLAGS) {
4101                 ret = os_snprintf(pos, end - pos, "flags=");
4102                 if (os_snprintf_error(end - pos, ret))
4103                         return 0;
4104                 pos += ret;
4105
4106                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4107                 if (ie)
4108                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4109                                                     2 + ie[1]);
4110                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4111                 if (ie2)
4112                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
4113                                                     2 + ie2[1]);
4114                 osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4115                 if (osen_ie)
4116                         pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4117                                                     osen_ie, 2 + osen_ie[1]);
4118                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4119                 if (!ie && !ie2 && !osen_ie &&
4120                     (bss->caps & IEEE80211_CAP_PRIVACY)) {
4121                         ret = os_snprintf(pos, end - pos, "[WEP]");
4122                         if (os_snprintf_error(end - pos, ret))
4123                                 return 0;
4124                         pos += ret;
4125                 }
4126                 if (bss_is_dmg(bss)) {
4127                         const char *s;
4128                         ret = os_snprintf(pos, end - pos, "[DMG]");
4129                         if (os_snprintf_error(end - pos, ret))
4130                                 return 0;
4131                         pos += ret;
4132                         switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4133                         case IEEE80211_CAP_DMG_IBSS:
4134                                 s = "[IBSS]";
4135                                 break;
4136                         case IEEE80211_CAP_DMG_AP:
4137                                 s = "[ESS]";
4138                                 break;
4139                         case IEEE80211_CAP_DMG_PBSS:
4140                                 s = "[PBSS]";
4141                                 break;
4142                         default:
4143                                 s = "";
4144                                 break;
4145                         }
4146                         ret = os_snprintf(pos, end - pos, "%s", s);
4147                         if (os_snprintf_error(end - pos, ret))
4148                                 return 0;
4149                         pos += ret;
4150                 } else {
4151                         if (bss->caps & IEEE80211_CAP_IBSS) {
4152                                 ret = os_snprintf(pos, end - pos, "[IBSS]");
4153                                 if (os_snprintf_error(end - pos, ret))
4154                                         return 0;
4155                                 pos += ret;
4156                         }
4157                         if (bss->caps & IEEE80211_CAP_ESS) {
4158                                 ret = os_snprintf(pos, end - pos, "[ESS]");
4159                                 if (os_snprintf_error(end - pos, ret))
4160                                         return 0;
4161                                 pos += ret;
4162                         }
4163                 }
4164                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4165                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4166                         ret = os_snprintf(pos, end - pos, "[P2P]");
4167                         if (os_snprintf_error(end - pos, ret))
4168                                 return 0;
4169                         pos += ret;
4170                 }
4171 #ifdef CONFIG_HS20
4172                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4173                         ret = os_snprintf(pos, end - pos, "[HS20]");
4174                         if (os_snprintf_error(end - pos, ret))
4175                                 return 0;
4176                         pos += ret;
4177                 }
4178 #endif /* CONFIG_HS20 */
4179
4180                 ret = os_snprintf(pos, end - pos, "\n");
4181                 if (os_snprintf_error(end - pos, ret))
4182                         return 0;
4183                 pos += ret;
4184         }
4185
4186         if (mask & WPA_BSS_MASK_SSID) {
4187                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4188                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
4189                 if (os_snprintf_error(end - pos, ret))
4190                         return 0;
4191                 pos += ret;
4192         }
4193
4194 #ifdef CONFIG_WPS
4195         if (mask & WPA_BSS_MASK_WPS_SCAN) {
4196                 ie = (const u8 *) (bss + 1);
4197                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4198                 if (ret >= end - pos)
4199                         return 0;
4200                 if (ret > 0)
4201                         pos += ret;
4202         }
4203 #endif /* CONFIG_WPS */
4204
4205 #ifdef CONFIG_P2P
4206         if (mask & WPA_BSS_MASK_P2P_SCAN) {
4207                 ie = (const u8 *) (bss + 1);
4208                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4209                 if (ret < 0 || ret >= end - pos)
4210                         return 0;
4211                 pos += ret;
4212         }
4213 #endif /* CONFIG_P2P */
4214
4215 #ifdef CONFIG_WIFI_DISPLAY
4216         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4217                 struct wpabuf *wfd;
4218                 ie = (const u8 *) (bss + 1);
4219                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4220                                                   WFD_IE_VENDOR_TYPE);
4221                 if (wfd) {
4222                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4223                         if (os_snprintf_error(end - pos, ret)) {
4224                                 wpabuf_free(wfd);
4225                                 return 0;
4226                         }
4227                         pos += ret;
4228
4229                         pos += wpa_snprintf_hex(pos, end - pos,
4230                                                 wpabuf_head(wfd),
4231                                                 wpabuf_len(wfd));
4232                         wpabuf_free(wfd);
4233
4234                         ret = os_snprintf(pos, end - pos, "\n");
4235                         if (os_snprintf_error(end - pos, ret))
4236                                 return 0;
4237                         pos += ret;
4238                 }
4239         }
4240 #endif /* CONFIG_WIFI_DISPLAY */
4241
4242 #ifdef CONFIG_INTERWORKING
4243         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4244                 struct wpa_bss_anqp *anqp = bss->anqp;
4245                 struct wpa_bss_anqp_elem *elem;
4246
4247                 pos = anqp_add_hex(pos, end, "anqp_capability_list",
4248                                    anqp->capability_list);
4249                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
4250                                    anqp->venue_name);
4251                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4252                                    anqp->network_auth_type);
4253                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4254                                    anqp->roaming_consortium);
4255                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4256                                    anqp->ip_addr_type_availability);
4257                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4258                                    anqp->nai_realm);
4259                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4260                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
4261                                    anqp->domain_name);
4262 #ifdef CONFIG_HS20
4263                 pos = anqp_add_hex(pos, end, "hs20_capability_list",
4264                                    anqp->hs20_capability_list);
4265                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4266                                    anqp->hs20_operator_friendly_name);
4267                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4268                                    anqp->hs20_wan_metrics);
4269                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4270                                    anqp->hs20_connection_capability);
4271                 pos = anqp_add_hex(pos, end, "hs20_operating_class",
4272                                    anqp->hs20_operating_class);
4273                 pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4274                                    anqp->hs20_osu_providers_list);
4275 #endif /* CONFIG_HS20 */
4276
4277                 dl_list_for_each(elem, &anqp->anqp_elems,
4278                                  struct wpa_bss_anqp_elem, list) {
4279                         char title[20];
4280
4281                         os_snprintf(title, sizeof(title), "anqp[%u]",
4282                                     elem->infoid);
4283                         pos = anqp_add_hex(pos, end, title, elem->payload);
4284                 }
4285         }
4286 #endif /* CONFIG_INTERWORKING */
4287
4288 #ifdef CONFIG_MESH
4289         if (mask & WPA_BSS_MASK_MESH_SCAN) {
4290                 ie = (const u8 *) (bss + 1);
4291                 ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4292                 if (ret < 0 || ret >= end - pos)
4293                         return 0;
4294                 pos += ret;
4295         }
4296 #endif /* CONFIG_MESH */
4297
4298         if (mask & WPA_BSS_MASK_SNR) {
4299                 ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4300                 if (os_snprintf_error(end - pos, ret))
4301                         return 0;
4302                 pos += ret;
4303         }
4304
4305         if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4306                 ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4307                                   bss->est_throughput);
4308                 if (os_snprintf_error(end - pos, ret))
4309                         return 0;
4310                 pos += ret;
4311         }
4312
4313 #ifdef CONFIG_FST
4314         if (mask & WPA_BSS_MASK_FST) {
4315                 ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4316                 if (ret < 0 || ret >= end - pos)
4317                         return 0;
4318                 pos += ret;
4319         }
4320 #endif /* CONFIG_FST */
4321
4322         if (mask & WPA_BSS_MASK_DELIM) {
4323                 ret = os_snprintf(pos, end - pos, "====\n");
4324                 if (os_snprintf_error(end - pos, ret))
4325                         return 0;
4326                 pos += ret;
4327         }
4328
4329         return pos - buf;
4330 }
4331
4332
4333 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4334                                          const char *cmd, char *buf,
4335                                          size_t buflen)
4336 {
4337         u8 bssid[ETH_ALEN];
4338         size_t i;
4339         struct wpa_bss *bss;
4340         struct wpa_bss *bsslast = NULL;
4341         struct dl_list *next;
4342         int ret = 0;
4343         int len;
4344         char *ctmp, *end = buf + buflen;
4345         unsigned long mask = WPA_BSS_MASK_ALL;
4346
4347         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4348                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4349                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4350                                             list_id);
4351                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4352                                                list_id);
4353                 } else { /* N1-N2 */
4354                         unsigned int id1, id2;
4355
4356                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4357                                 wpa_printf(MSG_INFO, "Wrong BSS range "
4358                                            "format");
4359                                 return 0;
4360                         }
4361
4362                         if (*(cmd + 6) == '-')
4363                                 id1 = 0;
4364                         else
4365                                 id1 = atoi(cmd + 6);
4366                         ctmp++;
4367                         if (*ctmp >= '0' && *ctmp <= '9')
4368                                 id2 = atoi(ctmp);
4369                         else
4370                                 id2 = (unsigned int) -1;
4371                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4372                         if (id2 == (unsigned int) -1)
4373                                 bsslast = dl_list_last(&wpa_s->bss_id,
4374                                                        struct wpa_bss,
4375                                                        list_id);
4376                         else {
4377                                 bsslast = wpa_bss_get_id(wpa_s, id2);
4378                                 if (bsslast == NULL && bss && id2 > id1) {
4379                                         struct wpa_bss *tmp = bss;
4380                                         for (;;) {
4381                                                 next = tmp->list_id.next;
4382                                                 if (next == &wpa_s->bss_id)
4383                                                         break;
4384                                                 tmp = dl_list_entry(
4385                                                         next, struct wpa_bss,
4386                                                         list_id);
4387                                                 if (tmp->id > id2)
4388                                                         break;
4389                                                 bsslast = tmp;
4390                                         }
4391                                 }
4392                         }
4393                 }
4394         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
4395                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4396         else if (os_strncmp(cmd, "LAST", 4) == 0)
4397                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4398         else if (os_strncmp(cmd, "ID-", 3) == 0) {
4399                 i = atoi(cmd + 3);
4400                 bss = wpa_bss_get_id(wpa_s, i);
4401         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4402                 i = atoi(cmd + 5);
4403                 bss = wpa_bss_get_id(wpa_s, i);
4404                 if (bss) {
4405                         next = bss->list_id.next;
4406                         if (next == &wpa_s->bss_id)
4407                                 bss = NULL;
4408                         else
4409                                 bss = dl_list_entry(next, struct wpa_bss,
4410                                                     list_id);
4411                 }
4412 #ifdef CONFIG_P2P
4413         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4414                 if (hwaddr_aton(cmd + 13, bssid) == 0)
4415                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4416                 else
4417                         bss = NULL;
4418 #endif /* CONFIG_P2P */
4419         } else if (hwaddr_aton(cmd, bssid) == 0)
4420                 bss = wpa_bss_get_bssid(wpa_s, bssid);
4421         else {
4422                 struct wpa_bss *tmp;
4423                 i = atoi(cmd);
4424                 bss = NULL;
4425                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4426                 {
4427                         if (i-- == 0) {
4428                                 bss = tmp;
4429                                 break;
4430                         }
4431                 }
4432         }
4433
4434         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4435                 mask = strtoul(ctmp + 5, NULL, 0x10);
4436                 if (mask == 0)
4437                         mask = WPA_BSS_MASK_ALL;
4438         }
4439
4440         if (bss == NULL)
4441                 return 0;
4442
4443         if (bsslast == NULL)
4444                 bsslast = bss;
4445         do {
4446                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4447                 ret += len;
4448                 buf += len;
4449                 buflen -= len;
4450                 if (bss == bsslast) {
4451                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
4452                             (bss == dl_list_last(&wpa_s->bss_id,
4453                                                  struct wpa_bss, list_id))) {
4454                                 int res;
4455
4456                                 res = os_snprintf(buf - 5, end - buf + 5,
4457                                                   "####\n");
4458                                 if (os_snprintf_error(end - buf + 5, res)) {
4459                                         wpa_printf(MSG_DEBUG,
4460                                                    "Could not add end delim");
4461                                 }
4462                         }
4463                         break;
4464                 }
4465                 next = bss->list_id.next;
4466                 if (next == &wpa_s->bss_id)
4467                         break;
4468                 bss = dl_list_entry(next, struct wpa_bss, list_id);
4469         } while (bss && len);
4470
4471         return ret;
4472 }
4473
4474
4475 static int wpa_supplicant_ctrl_iface_ap_scan(
4476         struct wpa_supplicant *wpa_s, char *cmd)
4477 {
4478         int ap_scan = atoi(cmd);
4479         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4480 }
4481
4482
4483 static int wpa_supplicant_ctrl_iface_scan_interval(
4484         struct wpa_supplicant *wpa_s, char *cmd)
4485 {
4486         int scan_int = atoi(cmd);
4487         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4488 }
4489
4490
4491 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4492         struct wpa_supplicant *wpa_s, char *cmd)
4493 {
4494         int expire_age = atoi(cmd);
4495         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4496 }
4497
4498
4499 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4500         struct wpa_supplicant *wpa_s, char *cmd)
4501 {
4502         int expire_count = atoi(cmd);
4503         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4504 }
4505
4506
4507 static void wpa_supplicant_ctrl_iface_bss_flush(
4508         struct wpa_supplicant *wpa_s, char *cmd)
4509 {
4510         int flush_age = atoi(cmd);
4511
4512         if (flush_age == 0)
4513                 wpa_bss_flush(wpa_s);
4514         else
4515                 wpa_bss_flush_by_age(wpa_s, flush_age);
4516 }
4517
4518
4519 #ifdef CONFIG_TESTING_OPTIONS
4520 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4521 {
4522         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4523         /* MLME-DELETEKEYS.request */
4524         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4525         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4526         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4527         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4528 #ifdef CONFIG_IEEE80211W
4529         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4530         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4531 #endif /* CONFIG_IEEE80211W */
4532
4533         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4534                         0);
4535         /* MLME-SETPROTECTION.request(None) */
4536         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4537                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4538                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4539         wpa_sm_drop_sa(wpa_s->wpa);
4540 }
4541 #endif /* CONFIG_TESTING_OPTIONS */
4542
4543
4544 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4545                                           char *addr)
4546 {
4547 #ifdef CONFIG_NO_SCAN_PROCESSING
4548         return -1;
4549 #else /* CONFIG_NO_SCAN_PROCESSING */
4550         u8 bssid[ETH_ALEN];
4551         struct wpa_bss *bss;
4552         struct wpa_ssid *ssid = wpa_s->current_ssid;
4553
4554         if (hwaddr_aton(addr, bssid)) {
4555                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4556                            "address '%s'", addr);
4557                 return -1;
4558         }
4559
4560         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4561
4562         if (!ssid) {
4563                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4564                            "configuration known for the target AP");
4565                 return -1;
4566         }
4567
4568         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4569         if (!bss) {
4570                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4571                            "from BSS table");
4572                 return -1;
4573         }
4574
4575         /*
4576          * TODO: Find best network configuration block from configuration to
4577          * allow roaming to other networks
4578          */
4579
4580         wpa_s->reassociate = 1;
4581         wpa_supplicant_connect(wpa_s, bss, ssid);
4582
4583         return 0;
4584 #endif /* CONFIG_NO_SCAN_PROCESSING */
4585 }
4586
4587
4588 #ifdef CONFIG_P2P
4589 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4590 {
4591         unsigned int timeout = atoi(cmd);
4592         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4593         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4594         u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4595         char *pos;
4596         unsigned int search_delay;
4597         const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4598         u8 seek_count = 0;
4599         int freq = 0;
4600
4601         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4602                 wpa_dbg(wpa_s, MSG_INFO,
4603                         "Reject P2P_FIND since interface is disabled");
4604                 return -1;
4605         }
4606         if (os_strstr(cmd, "type=social"))
4607                 type = P2P_FIND_ONLY_SOCIAL;
4608         else if (os_strstr(cmd, "type=progressive"))
4609                 type = P2P_FIND_PROGRESSIVE;
4610
4611         pos = os_strstr(cmd, "dev_id=");
4612         if (pos) {
4613                 pos += 7;
4614                 if (hwaddr_aton(pos, dev_id))
4615                         return -1;
4616                 _dev_id = dev_id;
4617         }
4618
4619         pos = os_strstr(cmd, "dev_type=");
4620         if (pos) {
4621                 pos += 9;
4622                 if (wps_dev_type_str2bin(pos, dev_type) < 0)
4623                         return -1;
4624                 _dev_type = dev_type;
4625         }
4626
4627         pos = os_strstr(cmd, "delay=");
4628         if (pos) {
4629                 pos += 6;
4630                 search_delay = atoi(pos);
4631         } else
4632                 search_delay = wpas_p2p_search_delay(wpa_s);
4633
4634         pos = os_strstr(cmd, "freq=");
4635         if (pos) {
4636                 pos += 5;
4637                 freq = atoi(pos);
4638                 if (freq <= 0)
4639                         return -1;
4640         }
4641
4642         /* Must be searched for last, because it adds nul termination */
4643         pos = os_strstr(cmd, " seek=");
4644         if (pos)
4645                 pos += 6;
4646         while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
4647                 char *term;
4648
4649                 _seek[seek_count++] = pos;
4650                 seek = _seek;
4651                 term = os_strchr(pos, ' ');
4652                 if (!term)
4653                         break;
4654                 *term = '\0';
4655                 pos = os_strstr(term + 1, "seek=");
4656                 if (pos)
4657                         pos += 5;
4658         }
4659         if (seek_count > P2P_MAX_QUERY_HASH) {
4660                 seek[0] = NULL;
4661                 seek_count = 1;
4662         }
4663
4664         return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
4665                              _dev_id, search_delay, seek_count, seek, freq);
4666 }
4667
4668
4669 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
4670 {
4671         const char *last = NULL;
4672         const char *token;
4673         long int token_len;
4674         unsigned int i;
4675
4676         /* Expected predefined CPT names delimited by ':' */
4677         for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
4678                 if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
4679                         wpa_printf(MSG_ERROR,
4680                                    "P2PS: CPT name list is too long, expected up to %d names",
4681                                    P2PS_FEATURE_CAPAB_CPT_MAX);
4682                         cpt[0] = 0;
4683                         return -1;
4684                 }
4685
4686                 token_len = last - token;
4687
4688                 if (token_len  == 3 &&
4689                     os_memcmp(token, "UDP", token_len) == 0) {
4690                         cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4691                 } else if (token_len == 3 &&
4692                            os_memcmp(token, "MAC", token_len) == 0) {
4693                         cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
4694                 } else {
4695                         wpa_printf(MSG_ERROR,
4696                                    "P2PS: Unsupported CPT name '%s'", token);
4697                         cpt[0] = 0;
4698                         return -1;
4699                 }
4700
4701                 if (isblank(*last)) {
4702                         i++;
4703                         break;
4704                 }
4705         }
4706         cpt[i] = 0;
4707         return 0;
4708 }
4709
4710
4711 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
4712 {
4713         struct p2ps_provision *p2ps_prov;
4714         char *pos;
4715         size_t info_len = 0;
4716         char *info = NULL;
4717         u8 role = P2PS_SETUP_NONE;
4718         long long unsigned val;
4719         int i;
4720
4721         pos = os_strstr(cmd, "info=");
4722         if (pos) {
4723                 pos += 5;
4724                 info_len = os_strlen(pos);
4725
4726                 if (info_len) {
4727                         info = os_malloc(info_len + 1);
4728                         if (info) {
4729                                 info_len = utf8_unescape(pos, info_len,
4730                                                          info, info_len + 1);
4731                         } else
4732                                 info_len = 0;
4733                 }
4734         }
4735
4736         p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
4737         if (p2ps_prov == NULL) {
4738                 os_free(info);
4739                 return NULL;
4740         }
4741
4742         if (info) {
4743                 os_memcpy(p2ps_prov->info, info, info_len);
4744                 p2ps_prov->info[info_len] = '\0';
4745                 os_free(info);
4746         }
4747
4748         pos = os_strstr(cmd, "status=");
4749         if (pos)
4750                 p2ps_prov->status = atoi(pos + 7);
4751         else
4752                 p2ps_prov->status = -1;
4753
4754         pos = os_strstr(cmd, "adv_id=");
4755         if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
4756                 goto invalid_args;
4757         p2ps_prov->adv_id = val;
4758
4759         pos = os_strstr(cmd, "method=");
4760         if (pos)
4761                 p2ps_prov->method = strtol(pos + 7, NULL, 16);
4762         else
4763                 p2ps_prov->method = 0;
4764
4765         pos = os_strstr(cmd, "session=");
4766         if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
4767                 goto invalid_args;
4768         p2ps_prov->session_id = val;
4769
4770         pos = os_strstr(cmd, "adv_mac=");
4771         if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
4772                 goto invalid_args;
4773
4774         pos = os_strstr(cmd, "session_mac=");
4775         if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
4776                 goto invalid_args;
4777
4778         pos = os_strstr(cmd, "cpt=");
4779         if (pos) {
4780                 if (p2ps_ctrl_parse_cpt_priority(pos + 4,
4781                                                  p2ps_prov->cpt_priority))
4782                         goto invalid_args;
4783         } else {
4784                 p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
4785         }
4786
4787         for (i = 0; p2ps_prov->cpt_priority[i]; i++)
4788                 p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
4789
4790         /* force conncap with tstCap (no sanity checks) */
4791         pos = os_strstr(cmd, "tstCap=");
4792         if (pos) {
4793                 role = strtol(pos + 7, NULL, 16);
4794         } else {
4795                 pos = os_strstr(cmd, "role=");
4796                 if (pos) {
4797                         role = strtol(pos + 5, NULL, 16);
4798                         if (role != P2PS_SETUP_CLIENT &&
4799                             role != P2PS_SETUP_GROUP_OWNER)
4800                                 role = P2PS_SETUP_NONE;
4801                 }
4802         }
4803         p2ps_prov->role = role;
4804
4805         return p2ps_prov;
4806
4807 invalid_args:
4808         os_free(p2ps_prov);
4809         return NULL;
4810 }
4811
4812
4813 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
4814 {
4815         u8 addr[ETH_ALEN];
4816         struct p2ps_provision *p2ps_prov;
4817         char *pos;
4818
4819         /* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
4820
4821         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4822
4823         if (hwaddr_aton(cmd, addr))
4824                 return -1;
4825
4826         pos = cmd + 17;
4827         if (*pos != ' ')
4828                 return -1;
4829
4830         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4831         if (!p2ps_prov)
4832                 return -1;
4833
4834         if (p2ps_prov->status < 0) {
4835                 os_free(p2ps_prov);
4836                 return -1;
4837         }
4838
4839         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4840                                   p2ps_prov);
4841 }
4842
4843
4844 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
4845 {
4846         u8 addr[ETH_ALEN];
4847         struct p2ps_provision *p2ps_prov;
4848         char *pos;
4849
4850         /* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
4851          *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
4852          */
4853
4854         wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
4855         if (hwaddr_aton(cmd, addr))
4856                 return -1;
4857
4858         pos = cmd + 17;
4859         if (*pos != ' ')
4860                 return -1;
4861
4862         p2ps_prov = p2p_parse_asp_provision_cmd(pos);
4863         if (!p2ps_prov)
4864                 return -1;
4865
4866         p2ps_prov->pd_seeker = 1;
4867
4868         return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
4869                                   p2ps_prov);
4870 }
4871
4872
4873 static int parse_freq(int chwidth, int freq2)
4874 {
4875         if (freq2 < 0)
4876                 return -1;
4877         if (freq2)
4878                 return VHT_CHANWIDTH_80P80MHZ;
4879
4880         switch (chwidth) {
4881         case 0:
4882         case 20:
4883         case 40:
4884                 return VHT_CHANWIDTH_USE_HT;
4885         case 80:
4886                 return VHT_CHANWIDTH_80MHZ;
4887         case 160:
4888                 return VHT_CHANWIDTH_160MHZ;
4889         default:
4890                 wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
4891                            chwidth);
4892                 return -1;
4893         }
4894 }
4895
4896
4897 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
4898                             char *buf, size_t buflen)
4899 {
4900         u8 addr[ETH_ALEN];
4901         char *pos, *pos2;
4902         char *pin = NULL;
4903         enum p2p_wps_method wps_method;
4904         int new_pin;
4905         int ret;
4906         int persistent_group, persistent_id = -1;
4907         int join;
4908         int auth;
4909         int automatic;
4910         int go_intent = -1;
4911         int freq = 0;
4912         int pd;
4913         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
4914
4915         if (!wpa_s->global->p2p_init_wpa_s)
4916                 return -1;
4917         if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
4918                 wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
4919                         wpa_s->global->p2p_init_wpa_s->ifname);
4920                 wpa_s = wpa_s->global->p2p_init_wpa_s;
4921         }
4922
4923         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
4924          * [persistent|persistent=<network id>]
4925          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
4926          * [ht40] [vht] [auto] */
4927
4928         if (hwaddr_aton(cmd, addr))
4929                 return -1;
4930
4931         pos = cmd + 17;
4932         if (*pos != ' ')
4933                 return -1;
4934         pos++;
4935
4936         persistent_group = os_strstr(pos, " persistent") != NULL;
4937         pos2 = os_strstr(pos, " persistent=");
4938         if (pos2) {
4939                 struct wpa_ssid *ssid;
4940                 persistent_id = atoi(pos2 + 12);
4941                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
4942                 if (ssid == NULL || ssid->disabled != 2 ||
4943                     ssid->mode != WPAS_MODE_P2P_GO) {
4944                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
4945                                    "SSID id=%d for persistent P2P group (GO)",
4946                                    persistent_id);
4947                         return -1;
4948                 }
4949         }
4950         join = os_strstr(pos, " join") != NULL;
4951         auth = os_strstr(pos, " auth") != NULL;
4952         automatic = os_strstr(pos, " auto") != NULL;
4953         pd = os_strstr(pos, " provdisc") != NULL;
4954         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4955         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4956                 vht;
4957
4958         pos2 = os_strstr(pos, " go_intent=");
4959         if (pos2) {
4960                 pos2 += 11;
4961                 go_intent = atoi(pos2);
4962                 if (go_intent < 0 || go_intent > 15)
4963                         return -1;
4964         }
4965
4966         pos2 = os_strstr(pos, " freq=");
4967         if (pos2) {
4968                 pos2 += 6;
4969                 freq = atoi(pos2);
4970                 if (freq <= 0)
4971                         return -1;
4972         }
4973
4974         pos2 = os_strstr(pos, " freq2=");
4975         if (pos2)
4976                 freq2 = atoi(pos2 + 7);
4977
4978         pos2 = os_strstr(pos, " max_oper_chwidth=");
4979         if (pos2)
4980                 chwidth = atoi(pos2 + 18);
4981
4982         max_oper_chwidth = parse_freq(chwidth, freq2);
4983         if (max_oper_chwidth < 0)
4984                 return -1;
4985
4986         if (os_strncmp(pos, "pin", 3) == 0) {
4987                 /* Request random PIN (to be displayed) and enable the PIN */
4988                 wps_method = WPS_PIN_DISPLAY;
4989         } else if (os_strncmp(pos, "pbc", 3) == 0) {
4990                 wps_method = WPS_PBC;
4991         } else {
4992                 pin = pos;
4993                 pos = os_strchr(pin, ' ');
4994                 wps_method = WPS_PIN_KEYPAD;
4995                 if (pos) {
4996                         *pos++ = '\0';
4997                         if (os_strncmp(pos, "display", 7) == 0)
4998                                 wps_method = WPS_PIN_DISPLAY;
4999                         else if (os_strncmp(pos, "p2ps", 4) == 0)
5000                                 wps_method = WPS_P2PS;
5001                 }
5002                 if (!wps_pin_str_valid(pin)) {
5003                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5004                         return 17;
5005                 }
5006         }
5007
5008         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5009                                    persistent_group, automatic, join,
5010                                    auth, go_intent, freq, freq2, persistent_id,
5011                                    pd, ht40, vht, max_oper_chwidth);
5012         if (new_pin == -2) {
5013                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5014                 return 25;
5015         }
5016         if (new_pin == -3) {
5017                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5018                 return 25;
5019         }
5020         if (new_pin < 0)
5021                 return -1;
5022         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5023                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
5024                 if (os_snprintf_error(buflen, ret))
5025                         return -1;
5026                 return ret;
5027         }
5028
5029         os_memcpy(buf, "OK\n", 3);
5030         return 3;
5031 }
5032
5033
5034 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5035 {
5036         unsigned int timeout = atoi(cmd);
5037         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5038                 wpa_dbg(wpa_s, MSG_INFO,
5039                         "Reject P2P_LISTEN since interface is disabled");
5040                 return -1;
5041         }
5042         return wpas_p2p_listen(wpa_s, timeout);
5043 }
5044
5045
5046 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5047 {
5048         u8 addr[ETH_ALEN];
5049         char *pos;
5050         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5051
5052         /* <addr> <config method> [join|auto] */
5053
5054         if (hwaddr_aton(cmd, addr))
5055                 return -1;
5056
5057         pos = cmd + 17;
5058         if (*pos != ' ')
5059                 return -1;
5060         pos++;
5061
5062         if (os_strstr(pos, " join") != NULL)
5063                 use = WPAS_P2P_PD_FOR_JOIN;
5064         else if (os_strstr(pos, " auto") != NULL)
5065                 use = WPAS_P2P_PD_AUTO;
5066
5067         return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5068 }
5069
5070
5071 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5072                               size_t buflen)
5073 {
5074         struct wpa_ssid *ssid = wpa_s->current_ssid;
5075
5076         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5077             ssid->passphrase == NULL)
5078                 return -1;
5079
5080         os_strlcpy(buf, ssid->passphrase, buflen);
5081         return os_strlen(buf);
5082 }
5083
5084
5085 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5086                                   char *buf, size_t buflen)
5087 {
5088         u64 ref;
5089         int res;
5090         u8 dst_buf[ETH_ALEN], *dst;
5091         struct wpabuf *tlvs;
5092         char *pos;
5093         size_t len;
5094
5095         if (hwaddr_aton(cmd, dst_buf))
5096                 return -1;
5097         dst = dst_buf;
5098         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5099             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5100                 dst = NULL;
5101         pos = cmd + 17;
5102         if (*pos != ' ')
5103                 return -1;
5104         pos++;
5105
5106         if (os_strncmp(pos, "upnp ", 5) == 0) {
5107                 u8 version;
5108                 pos += 5;
5109                 if (hexstr2bin(pos, &version, 1) < 0)
5110                         return -1;
5111                 pos += 2;
5112                 if (*pos != ' ')
5113                         return -1;
5114                 pos++;
5115                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5116 #ifdef CONFIG_WIFI_DISPLAY
5117         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5118                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5119 #endif /* CONFIG_WIFI_DISPLAY */
5120         } else if (os_strncmp(pos, "asp ", 4) == 0) {
5121                 char *svc_str;
5122                 char *svc_info = NULL;
5123                 u32 id;
5124
5125                 pos += 4;
5126                 if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5127                         return -1;
5128
5129                 pos = os_strchr(pos, ' ');
5130                 if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5131                         return -1;
5132
5133                 svc_str = pos + 1;
5134
5135                 pos = os_strchr(svc_str, ' ');
5136
5137                 if (pos)
5138                         *pos++ = '\0';
5139
5140                 /* All remaining data is the svc_info string */
5141                 if (pos && pos[0] && pos[0] != ' ') {
5142                         len = os_strlen(pos);
5143
5144                         /* Unescape in place */
5145                         len = utf8_unescape(pos, len, pos, len);
5146                         if (len > 0xff)
5147                                 return -1;
5148
5149                         svc_info = pos;
5150                 }
5151
5152                 ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5153                                               svc_str, svc_info);
5154         } else {
5155                 len = os_strlen(pos);
5156                 if (len & 1)
5157                         return -1;
5158                 len /= 2;
5159                 tlvs = wpabuf_alloc(len);
5160                 if (tlvs == NULL)
5161                         return -1;
5162                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5163                         wpabuf_free(tlvs);
5164                         return -1;
5165                 }
5166
5167                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5168                 wpabuf_free(tlvs);
5169         }
5170         if (ref == 0)
5171                 return -1;
5172         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5173         if (os_snprintf_error(buflen, res))
5174                 return -1;
5175         return res;
5176 }
5177
5178
5179 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5180                                          char *cmd)
5181 {
5182         long long unsigned val;
5183         u64 req;
5184         if (sscanf(cmd, "%llx", &val) != 1)
5185                 return -1;
5186         req = val;
5187         return wpas_p2p_sd_cancel_request(wpa_s, req);
5188 }
5189
5190
5191 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5192 {
5193         int freq;
5194         u8 dst[ETH_ALEN];
5195         u8 dialog_token;
5196         struct wpabuf *resp_tlvs;
5197         char *pos, *pos2;
5198         size_t len;
5199
5200         pos = os_strchr(cmd, ' ');
5201         if (pos == NULL)
5202                 return -1;
5203         *pos++ = '\0';
5204         freq = atoi(cmd);
5205         if (freq == 0)
5206                 return -1;
5207
5208         if (hwaddr_aton(pos, dst))
5209                 return -1;
5210         pos += 17;
5211         if (*pos != ' ')
5212                 return -1;
5213         pos++;
5214
5215         pos2 = os_strchr(pos, ' ');
5216         if (pos2 == NULL)
5217                 return -1;
5218         *pos2++ = '\0';
5219         dialog_token = atoi(pos);
5220
5221         len = os_strlen(pos2);
5222         if (len & 1)
5223                 return -1;
5224         len /= 2;
5225         resp_tlvs = wpabuf_alloc(len);
5226         if (resp_tlvs == NULL)
5227                 return -1;
5228         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5229                 wpabuf_free(resp_tlvs);
5230                 return -1;
5231         }
5232
5233         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5234         wpabuf_free(resp_tlvs);
5235         return 0;
5236 }
5237
5238
5239 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5240                                        char *cmd)
5241 {
5242         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5243                 return -1;
5244         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5245         return 0;
5246 }
5247
5248
5249 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5250                                         char *cmd)
5251 {
5252         char *pos;
5253         size_t len;
5254         struct wpabuf *query, *resp;
5255
5256         pos = os_strchr(cmd, ' ');
5257         if (pos == NULL)
5258                 return -1;
5259         *pos++ = '\0';
5260
5261         len = os_strlen(cmd);
5262         if (len & 1)
5263                 return -1;
5264         len /= 2;
5265         query = wpabuf_alloc(len);
5266         if (query == NULL)
5267                 return -1;
5268         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5269                 wpabuf_free(query);
5270                 return -1;
5271         }
5272
5273         len = os_strlen(pos);
5274         if (len & 1) {
5275                 wpabuf_free(query);
5276                 return -1;
5277         }
5278         len /= 2;
5279         resp = wpabuf_alloc(len);
5280         if (resp == NULL) {
5281                 wpabuf_free(query);
5282                 return -1;
5283         }
5284         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5285                 wpabuf_free(query);
5286                 wpabuf_free(resp);
5287                 return -1;
5288         }
5289
5290         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5291                 wpabuf_free(query);
5292                 wpabuf_free(resp);
5293                 return -1;
5294         }
5295         return 0;
5296 }
5297
5298
5299 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5300 {
5301         char *pos;
5302         u8 version;
5303
5304         pos = os_strchr(cmd, ' ');
5305         if (pos == NULL)
5306                 return -1;
5307         *pos++ = '\0';
5308
5309         if (hexstr2bin(cmd, &version, 1) < 0)
5310                 return -1;
5311
5312         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5313 }
5314
5315
5316 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5317                                     u8 replace, char *cmd)
5318 {
5319         char *pos;
5320         char *adv_str;
5321         u32 auto_accept, adv_id, svc_state, config_methods;
5322         char *svc_info = NULL;
5323         char *cpt_prio_str;
5324         u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5325
5326         pos = os_strchr(cmd, ' ');
5327         if (pos == NULL)
5328                 return -1;
5329         *pos++ = '\0';
5330
5331         /* Auto-Accept value is mandatory, and must be one of the
5332          * single values (0, 1, 2, 4) */
5333         auto_accept = atoi(cmd);
5334         switch (auto_accept) {
5335         case P2PS_SETUP_NONE: /* No auto-accept */
5336         case P2PS_SETUP_NEW:
5337         case P2PS_SETUP_CLIENT:
5338         case P2PS_SETUP_GROUP_OWNER:
5339                 break;
5340         default:
5341                 return -1;
5342         }
5343
5344         /* Advertisement ID is mandatory */
5345         cmd = pos;
5346         pos = os_strchr(cmd, ' ');
5347         if (pos == NULL)
5348                 return -1;
5349         *pos++ = '\0';
5350
5351         /* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5352         if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5353                 return -1;
5354
5355         /* Only allow replacements if exist, and adds if not */
5356         if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5357                 if (!replace)
5358                         return -1;
5359         } else {
5360                 if (replace)
5361                         return -1;
5362         }
5363
5364         /* svc_state between 0 - 0xff is mandatory */
5365         if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5366                 return -1;
5367
5368         pos = os_strchr(pos, ' ');
5369         if (pos == NULL)
5370                 return -1;
5371
5372         /* config_methods is mandatory */
5373         pos++;
5374         if (sscanf(pos, "%x", &config_methods) != 1)
5375                 return -1;
5376
5377         if (!(config_methods &
5378               (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5379                 return -1;
5380
5381         pos = os_strchr(pos, ' ');
5382         if (pos == NULL)
5383                 return -1;
5384
5385         pos++;
5386         adv_str = pos;
5387
5388         /* Advertisement string is mandatory */
5389         if (!pos[0] || pos[0] == ' ')
5390                 return -1;
5391
5392         /* Terminate svc string */
5393         pos = os_strchr(pos, ' ');
5394         if (pos != NULL)
5395                 *pos++ = '\0';
5396
5397         cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5398         if (cpt_prio_str) {
5399                 pos = os_strchr(pos, ' ');
5400                 if (pos != NULL)
5401                         *pos++ = '\0';
5402
5403                 if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5404                         return -1;
5405         } else {
5406                 cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5407                 cpt_prio[1] = 0;
5408         }
5409
5410         /* Service and Response Information are optional */
5411         if (pos && pos[0]) {
5412                 size_t len;
5413
5414                 /* Note the bare ' included, which cannot exist legally
5415                  * in unescaped string. */
5416                 svc_info = os_strstr(pos, "svc_info='");
5417
5418                 if (svc_info) {
5419                         svc_info += 9;
5420                         len = os_strlen(svc_info);
5421                         utf8_unescape(svc_info, len, svc_info, len);
5422                 }
5423         }
5424
5425         return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5426                                         (u8) svc_state, (u16) config_methods,
5427                                         svc_info, cpt_prio);
5428 }
5429
5430
5431 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5432 {
5433         char *pos;
5434
5435         pos = os_strchr(cmd, ' ');
5436         if (pos == NULL)
5437                 return -1;
5438         *pos++ = '\0';
5439
5440         if (os_strcmp(cmd, "bonjour") == 0)
5441                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5442         if (os_strcmp(cmd, "upnp") == 0)
5443                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
5444         if (os_strcmp(cmd, "asp") == 0)
5445                 return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5446         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5447         return -1;
5448 }
5449
5450
5451 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5452                                         char *cmd)
5453 {
5454         size_t len;
5455         struct wpabuf *query;
5456         int ret;
5457
5458         len = os_strlen(cmd);
5459         if (len & 1)
5460                 return -1;
5461         len /= 2;
5462         query = wpabuf_alloc(len);
5463         if (query == NULL)
5464                 return -1;
5465         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5466                 wpabuf_free(query);
5467                 return -1;
5468         }
5469
5470         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5471         wpabuf_free(query);
5472         return ret;
5473 }
5474
5475
5476 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5477 {
5478         char *pos;
5479         u8 version;
5480
5481         pos = os_strchr(cmd, ' ');
5482         if (pos == NULL)
5483                 return -1;
5484         *pos++ = '\0';
5485
5486         if (hexstr2bin(cmd, &version, 1) < 0)
5487                 return -1;
5488
5489         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5490 }
5491
5492
5493 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5494 {
5495         u32 adv_id;
5496
5497         if (os_strcmp(cmd, "all") == 0) {
5498                 wpas_p2p_service_flush_asp(wpa_s);
5499                 return 0;
5500         }
5501
5502         if (sscanf(cmd, "%x", &adv_id) != 1)
5503                 return -1;
5504
5505         return wpas_p2p_service_del_asp(wpa_s, adv_id);
5506 }
5507
5508
5509 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5510 {
5511         char *pos;
5512
5513         pos = os_strchr(cmd, ' ');
5514         if (pos == NULL)
5515                 return -1;
5516         *pos++ = '\0';
5517
5518         if (os_strcmp(cmd, "bonjour") == 0)
5519                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5520         if (os_strcmp(cmd, "upnp") == 0)
5521                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
5522         if (os_strcmp(cmd, "asp") == 0)
5523                 return p2p_ctrl_service_del_asp(wpa_s, pos);
5524         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5525         return -1;
5526 }
5527
5528
5529 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5530 {
5531         char *pos;
5532
5533         pos = os_strchr(cmd, ' ');
5534         if (pos == NULL)
5535                 return -1;
5536         *pos++ = '\0';
5537
5538         if (os_strcmp(cmd, "asp") == 0)
5539                 return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5540
5541         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5542         return -1;
5543 }
5544
5545
5546 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5547 {
5548         u8 addr[ETH_ALEN];
5549
5550         /* <addr> */
5551
5552         if (hwaddr_aton(cmd, addr))
5553                 return -1;
5554
5555         return wpas_p2p_reject(wpa_s, addr);
5556 }
5557
5558
5559 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5560 {
5561         char *pos;
5562         int id;
5563         struct wpa_ssid *ssid;
5564         u8 *_peer = NULL, peer[ETH_ALEN];
5565         int freq = 0, pref_freq = 0;
5566         int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5567
5568         id = atoi(cmd);
5569         pos = os_strstr(cmd, " peer=");
5570         if (pos) {
5571                 pos += 6;
5572                 if (hwaddr_aton(pos, peer))
5573                         return -1;
5574                 _peer = peer;
5575         }
5576         ssid = wpa_config_get_network(wpa_s->conf, id);
5577         if (ssid == NULL || ssid->disabled != 2) {
5578                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5579                            "for persistent P2P group",
5580                            id);
5581                 return -1;
5582         }
5583
5584         pos = os_strstr(cmd, " freq=");
5585         if (pos) {
5586                 pos += 6;
5587                 freq = atoi(pos);
5588                 if (freq <= 0)
5589                         return -1;
5590         }
5591
5592         pos = os_strstr(cmd, " pref=");
5593         if (pos) {
5594                 pos += 6;
5595                 pref_freq = atoi(pos);
5596                 if (pref_freq <= 0)
5597                         return -1;
5598         }
5599
5600         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5601         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5602                 vht;
5603
5604         pos = os_strstr(cmd, "freq2=");
5605         if (pos)
5606                 freq2 = atoi(pos + 6);
5607
5608         pos = os_strstr(cmd, " max_oper_chwidth=");
5609         if (pos)
5610                 chwidth = atoi(pos + 18);
5611
5612         max_oper_chwidth = parse_freq(chwidth, freq2);
5613         if (max_oper_chwidth < 0)
5614                 return -1;
5615
5616         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5617                                max_oper_chwidth, pref_freq);
5618 }
5619
5620
5621 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5622 {
5623         char *pos;
5624         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5625
5626         pos = os_strstr(cmd, " peer=");
5627         if (!pos)
5628                 return -1;
5629
5630         *pos = '\0';
5631         pos += 6;
5632         if (hwaddr_aton(pos, peer)) {
5633                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
5634                 return -1;
5635         }
5636
5637         pos = os_strstr(pos, " go_dev_addr=");
5638         if (pos) {
5639                 pos += 13;
5640                 if (hwaddr_aton(pos, go_dev_addr)) {
5641                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
5642                                    pos);
5643                         return -1;
5644                 }
5645                 go_dev = go_dev_addr;
5646         }
5647
5648         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
5649 }
5650
5651
5652 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
5653 {
5654         if (os_strncmp(cmd, "persistent=", 11) == 0)
5655                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
5656         if (os_strncmp(cmd, "group=", 6) == 0)
5657                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
5658
5659         return -1;
5660 }
5661
5662
5663 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
5664                                          int id, int freq, int vht_center_freq2,
5665                                          int ht40, int vht, int vht_chwidth)
5666 {
5667         struct wpa_ssid *ssid;
5668
5669         ssid = wpa_config_get_network(wpa_s->conf, id);
5670         if (ssid == NULL || ssid->disabled != 2) {
5671                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5672                            "for persistent P2P group",
5673                            id);
5674                 return -1;
5675         }
5676
5677         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
5678                                              vht_center_freq2, 0, ht40, vht,
5679                                              vht_chwidth, NULL, 0, 0);
5680 }
5681
5682
5683 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
5684 {
5685         int freq = 0, persistent = 0, group_id = -1;
5686         int vht = wpa_s->conf->p2p_go_vht;
5687         int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
5688         int max_oper_chwidth, chwidth = 0, freq2 = 0;
5689         char *token, *context = NULL;
5690
5691         while ((token = str_token(cmd, " ", &context))) {
5692                 if (sscanf(token, "freq=%d", &freq) == 1 ||
5693                     sscanf(token, "freq2=%d", &freq2) == 1 ||
5694                     sscanf(token, "persistent=%d", &group_id) == 1 ||
5695                     sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
5696                         continue;
5697                 } else if (os_strcmp(token, "ht40") == 0) {
5698                         ht40 = 1;
5699                 } else if (os_strcmp(token, "vht") == 0) {
5700                         vht = 1;
5701                         ht40 = 1;
5702                 } else if (os_strcmp(token, "persistent") == 0) {
5703                         persistent = 1;
5704                 } else {
5705                         wpa_printf(MSG_DEBUG,
5706                                    "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
5707                                    token);
5708                         return -1;
5709                 }
5710         }
5711
5712         max_oper_chwidth = parse_freq(chwidth, freq2);
5713         if (max_oper_chwidth < 0)
5714                 return -1;
5715
5716         if (group_id >= 0)
5717                 return p2p_ctrl_group_add_persistent(wpa_s, group_id,
5718                                                      freq, freq2, ht40, vht,
5719                                                      max_oper_chwidth);
5720
5721         return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
5722                                   max_oper_chwidth);
5723 }
5724
5725
5726 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
5727                          char *buf, size_t buflen)
5728 {
5729         u8 addr[ETH_ALEN], *addr_ptr;
5730         int next, res;
5731         const struct p2p_peer_info *info;
5732         char *pos, *end;
5733         char devtype[WPS_DEV_TYPE_BUFSIZE];
5734         struct wpa_ssid *ssid;
5735         size_t i;
5736
5737         if (!wpa_s->global->p2p)
5738                 return -1;
5739
5740         if (os_strcmp(cmd, "FIRST") == 0) {
5741                 addr_ptr = NULL;
5742                 next = 0;
5743         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5744                 if (hwaddr_aton(cmd + 5, addr) < 0)
5745                         return -1;
5746                 addr_ptr = addr;
5747                 next = 1;
5748         } else {
5749                 if (hwaddr_aton(cmd, addr) < 0)
5750                         return -1;
5751                 addr_ptr = addr;
5752                 next = 0;
5753         }
5754
5755         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
5756         if (info == NULL)
5757                 return -1;
5758
5759         pos = buf;
5760         end = buf + buflen;
5761
5762         res = os_snprintf(pos, end - pos, MACSTR "\n"
5763                           "pri_dev_type=%s\n"
5764                           "device_name=%s\n"
5765                           "manufacturer=%s\n"
5766                           "model_name=%s\n"
5767                           "model_number=%s\n"
5768                           "serial_number=%s\n"
5769                           "config_methods=0x%x\n"
5770                           "dev_capab=0x%x\n"
5771                           "group_capab=0x%x\n"
5772                           "level=%d\n",
5773                           MAC2STR(info->p2p_device_addr),
5774                           wps_dev_type_bin2str(info->pri_dev_type,
5775                                                devtype, sizeof(devtype)),
5776                           info->device_name,
5777                           info->manufacturer,
5778                           info->model_name,
5779                           info->model_number,
5780                           info->serial_number,
5781                           info->config_methods,
5782                           info->dev_capab,
5783                           info->group_capab,
5784                           info->level);
5785         if (os_snprintf_error(end - pos, res))
5786                 return pos - buf;
5787         pos += res;
5788
5789         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
5790         {
5791                 const u8 *t;
5792                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
5793                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
5794                                   wps_dev_type_bin2str(t, devtype,
5795                                                        sizeof(devtype)));
5796                 if (os_snprintf_error(end - pos, res))
5797                         return pos - buf;
5798                 pos += res;
5799         }
5800
5801         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
5802         if (ssid) {
5803                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
5804                 if (os_snprintf_error(end - pos, res))
5805                         return pos - buf;
5806                 pos += res;
5807         }
5808
5809         res = p2p_get_peer_info_txt(info, pos, end - pos);
5810         if (res < 0)
5811                 return pos - buf;
5812         pos += res;
5813
5814         if (info->vendor_elems) {
5815                 res = os_snprintf(pos, end - pos, "vendor_elems=");
5816                 if (os_snprintf_error(end - pos, res))
5817                         return pos - buf;
5818                 pos += res;
5819
5820                 pos += wpa_snprintf_hex(pos, end - pos,
5821                                         wpabuf_head(info->vendor_elems),
5822                                         wpabuf_len(info->vendor_elems));
5823
5824                 res = os_snprintf(pos, end - pos, "\n");
5825                 if (os_snprintf_error(end - pos, res))
5826                         return pos - buf;
5827                 pos += res;
5828         }
5829
5830         return pos - buf;
5831 }
5832
5833
5834 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
5835                                   const char *param)
5836 {
5837         unsigned int i;
5838
5839         if (wpa_s->global->p2p == NULL)
5840                 return -1;
5841
5842         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
5843                 return -1;
5844
5845         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
5846                 struct wpa_freq_range *freq;
5847                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
5848                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
5849                            freq->min, freq->max);
5850         }
5851
5852         wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
5853         return 0;
5854 }
5855
5856
5857 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
5858 {
5859         char *param;
5860
5861         if (wpa_s->global->p2p == NULL)
5862                 return -1;
5863
5864         param = os_strchr(cmd, ' ');
5865         if (param == NULL)
5866                 return -1;
5867         *param++ = '\0';
5868
5869         if (os_strcmp(cmd, "discoverability") == 0) {
5870                 p2p_set_client_discoverability(wpa_s->global->p2p,
5871                                                atoi(param));
5872                 return 0;
5873         }
5874
5875         if (os_strcmp(cmd, "managed") == 0) {
5876                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
5877                 return 0;
5878         }
5879
5880         if (os_strcmp(cmd, "listen_channel") == 0) {
5881                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
5882                                               atoi(param), 1);
5883         }
5884
5885         if (os_strcmp(cmd, "ssid_postfix") == 0) {
5886                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
5887                                             os_strlen(param));
5888         }
5889
5890         if (os_strcmp(cmd, "noa") == 0) {
5891                 char *pos;
5892                 int count, start, duration;
5893                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
5894                 count = atoi(param);
5895                 pos = os_strchr(param, ',');
5896                 if (pos == NULL)
5897                         return -1;
5898                 pos++;
5899                 start = atoi(pos);
5900                 pos = os_strchr(pos, ',');
5901                 if (pos == NULL)
5902                         return -1;
5903                 pos++;
5904                 duration = atoi(pos);
5905                 if (count < 0 || count > 255 || start < 0 || duration < 0)
5906                         return -1;
5907                 if (count == 0 && duration > 0)
5908                         return -1;
5909                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
5910                            "start=%d duration=%d", count, start, duration);
5911                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
5912         }
5913
5914         if (os_strcmp(cmd, "ps") == 0)
5915                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
5916
5917         if (os_strcmp(cmd, "oppps") == 0)
5918                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
5919
5920         if (os_strcmp(cmd, "ctwindow") == 0)
5921                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
5922
5923         if (os_strcmp(cmd, "disabled") == 0) {
5924                 wpa_s->global->p2p_disabled = atoi(param);
5925                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
5926                            wpa_s->global->p2p_disabled ?
5927                            "disabled" : "enabled");
5928                 if (wpa_s->global->p2p_disabled) {
5929                         wpas_p2p_stop_find(wpa_s);
5930                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5931                         p2p_flush(wpa_s->global->p2p);
5932                 }
5933                 return 0;
5934         }
5935
5936         if (os_strcmp(cmd, "conc_pref") == 0) {
5937                 if (os_strcmp(param, "sta") == 0)
5938                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
5939                 else if (os_strcmp(param, "p2p") == 0)
5940                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
5941                 else {
5942                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
5943                         return -1;
5944                 }
5945                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
5946                            "%s", param);
5947                 return 0;
5948         }
5949
5950         if (os_strcmp(cmd, "force_long_sd") == 0) {
5951                 wpa_s->force_long_sd = atoi(param);
5952                 return 0;
5953         }
5954
5955         if (os_strcmp(cmd, "peer_filter") == 0) {
5956                 u8 addr[ETH_ALEN];
5957                 if (hwaddr_aton(param, addr))
5958                         return -1;
5959                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
5960                 return 0;
5961         }
5962
5963         if (os_strcmp(cmd, "cross_connect") == 0)
5964                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
5965
5966         if (os_strcmp(cmd, "go_apsd") == 0) {
5967                 if (os_strcmp(param, "disable") == 0)
5968                         wpa_s->set_ap_uapsd = 0;
5969                 else {
5970                         wpa_s->set_ap_uapsd = 1;
5971                         wpa_s->ap_uapsd = atoi(param);
5972                 }
5973                 return 0;
5974         }
5975
5976         if (os_strcmp(cmd, "client_apsd") == 0) {
5977                 if (os_strcmp(param, "disable") == 0)
5978                         wpa_s->set_sta_uapsd = 0;
5979                 else {
5980                         int be, bk, vi, vo;
5981                         char *pos;
5982                         /* format: BE,BK,VI,VO;max SP Length */
5983                         be = atoi(param);
5984                         pos = os_strchr(param, ',');
5985                         if (pos == NULL)
5986                                 return -1;
5987                         pos++;
5988                         bk = atoi(pos);
5989                         pos = os_strchr(pos, ',');
5990                         if (pos == NULL)
5991                                 return -1;
5992                         pos++;
5993                         vi = atoi(pos);
5994                         pos = os_strchr(pos, ',');
5995                         if (pos == NULL)
5996                                 return -1;
5997                         pos++;
5998                         vo = atoi(pos);
5999                         /* ignore max SP Length for now */
6000
6001                         wpa_s->set_sta_uapsd = 1;
6002                         wpa_s->sta_uapsd = 0;
6003                         if (be)
6004                                 wpa_s->sta_uapsd |= BIT(0);
6005                         if (bk)
6006                                 wpa_s->sta_uapsd |= BIT(1);
6007                         if (vi)
6008                                 wpa_s->sta_uapsd |= BIT(2);
6009                         if (vo)
6010                                 wpa_s->sta_uapsd |= BIT(3);
6011                 }
6012                 return 0;
6013         }
6014
6015         if (os_strcmp(cmd, "disallow_freq") == 0)
6016                 return p2p_ctrl_disallow_freq(wpa_s, param);
6017
6018         if (os_strcmp(cmd, "disc_int") == 0) {
6019                 int min_disc_int, max_disc_int, max_disc_tu;
6020                 char *pos;
6021
6022                 pos = param;
6023
6024                 min_disc_int = atoi(pos);
6025                 pos = os_strchr(pos, ' ');
6026                 if (pos == NULL)
6027                         return -1;
6028                 *pos++ = '\0';
6029
6030                 max_disc_int = atoi(pos);
6031                 pos = os_strchr(pos, ' ');
6032                 if (pos == NULL)
6033                         return -1;
6034                 *pos++ = '\0';
6035
6036                 max_disc_tu = atoi(pos);
6037
6038                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6039                                         max_disc_int, max_disc_tu);
6040         }
6041
6042         if (os_strcmp(cmd, "per_sta_psk") == 0) {
6043                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6044                 return 0;
6045         }
6046
6047 #ifdef CONFIG_WPS_NFC
6048         if (os_strcmp(cmd, "nfc_tag") == 0)
6049                 return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6050 #endif /* CONFIG_WPS_NFC */
6051
6052         if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6053                 wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6054                 return 0;
6055         }
6056
6057         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6058                    cmd);
6059
6060         return -1;
6061 }
6062
6063
6064 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6065 {
6066         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6067         wpa_s->force_long_sd = 0;
6068         wpas_p2p_stop_find(wpa_s);
6069         wpa_s->parent->p2ps_method_config_any = 0;
6070         if (wpa_s->global->p2p)
6071                 p2p_flush(wpa_s->global->p2p);
6072 }
6073
6074
6075 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6076 {
6077         char *pos, *pos2;
6078         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6079
6080         if (cmd[0]) {
6081                 pos = os_strchr(cmd, ' ');
6082                 if (pos == NULL)
6083                         return -1;
6084                 *pos++ = '\0';
6085                 dur1 = atoi(cmd);
6086
6087                 pos2 = os_strchr(pos, ' ');
6088                 if (pos2)
6089                         *pos2++ = '\0';
6090                 int1 = atoi(pos);
6091         } else
6092                 pos2 = NULL;
6093
6094         if (pos2) {
6095                 pos = os_strchr(pos2, ' ');
6096                 if (pos == NULL)
6097                         return -1;
6098                 *pos++ = '\0';
6099                 dur2 = atoi(pos2);
6100                 int2 = atoi(pos);
6101         }
6102
6103         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6104 }
6105
6106
6107 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6108 {
6109         char *pos;
6110         unsigned int period = 0, interval = 0;
6111
6112         if (cmd[0]) {
6113                 pos = os_strchr(cmd, ' ');
6114                 if (pos == NULL)
6115                         return -1;
6116                 *pos++ = '\0';
6117                 period = atoi(cmd);
6118                 interval = atoi(pos);
6119         }
6120
6121         return wpas_p2p_ext_listen(wpa_s, period, interval);
6122 }
6123
6124
6125 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6126 {
6127         const char *pos;
6128         u8 peer[ETH_ALEN];
6129         int iface_addr = 0;
6130
6131         pos = cmd;
6132         if (os_strncmp(pos, "iface=", 6) == 0) {
6133                 iface_addr = 1;
6134                 pos += 6;
6135         }
6136         if (hwaddr_aton(pos, peer))
6137                 return -1;
6138
6139         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6140         return 0;
6141 }
6142
6143 #endif /* CONFIG_P2P */
6144
6145
6146 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6147 {
6148         struct wpa_freq_range_list ranges;
6149         int *freqs = NULL;
6150         struct hostapd_hw_modes *mode;
6151         u16 i;
6152
6153         if (wpa_s->hw.modes == NULL)
6154                 return NULL;
6155
6156         os_memset(&ranges, 0, sizeof(ranges));
6157         if (freq_range_list_parse(&ranges, val) < 0)
6158                 return NULL;
6159
6160         for (i = 0; i < wpa_s->hw.num_modes; i++) {
6161                 int j;
6162
6163                 mode = &wpa_s->hw.modes[i];
6164                 for (j = 0; j < mode->num_channels; j++) {
6165                         unsigned int freq;
6166
6167                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6168                                 continue;
6169
6170                         freq = mode->channels[j].freq;
6171                         if (!freq_range_list_includes(&ranges, freq))
6172                                 continue;
6173
6174                         int_array_add_unique(&freqs, freq);
6175                 }
6176         }
6177
6178         os_free(ranges.range);
6179         return freqs;
6180 }
6181
6182
6183 #ifdef CONFIG_INTERWORKING
6184
6185 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6186 {
6187         int auto_sel = 0;
6188         int *freqs = NULL;
6189
6190         if (param) {
6191                 char *pos;
6192
6193                 auto_sel = os_strstr(param, "auto") != NULL;
6194
6195                 pos = os_strstr(param, "freq=");
6196                 if (pos) {
6197                         freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6198                         if (freqs == NULL)
6199                                 return -1;
6200                 }
6201
6202         }
6203
6204         return interworking_select(wpa_s, auto_sel, freqs);
6205 }
6206
6207
6208 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6209                                      int only_add)
6210 {
6211         u8 bssid[ETH_ALEN];
6212         struct wpa_bss *bss;
6213
6214         if (hwaddr_aton(dst, bssid)) {
6215                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6216                 return -1;
6217         }
6218
6219         bss = wpa_bss_get_bssid(wpa_s, bssid);
6220         if (bss == NULL) {
6221                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6222                            MAC2STR(bssid));
6223                 return -1;
6224         }
6225
6226         if (bss->ssid_len == 0) {
6227                 int found = 0;
6228
6229                 wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6230                            " does not have SSID information", MAC2STR(bssid));
6231
6232                 dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6233                                          list) {
6234                         if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6235                             bss->ssid_len > 0) {
6236                                 found = 1;
6237                                 break;
6238                         }
6239                 }
6240
6241                 if (!found)
6242                         return -1;
6243                 wpa_printf(MSG_DEBUG,
6244                            "Found another matching BSS entry with SSID");
6245         }
6246
6247         return interworking_connect(wpa_s, bss, only_add);
6248 }
6249
6250
6251 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6252 {
6253         u8 dst_addr[ETH_ALEN];
6254         int used;
6255         char *pos;
6256 #define MAX_ANQP_INFO_ID 100
6257         u16 id[MAX_ANQP_INFO_ID];
6258         size_t num_id = 0;
6259         u32 subtypes = 0;
6260
6261         used = hwaddr_aton2(dst, dst_addr);
6262         if (used < 0)
6263                 return -1;
6264         pos = dst + used;
6265         if (*pos == ' ')
6266                 pos++;
6267         while (num_id < MAX_ANQP_INFO_ID) {
6268                 if (os_strncmp(pos, "hs20:", 5) == 0) {
6269 #ifdef CONFIG_HS20
6270                         int num = atoi(pos + 5);
6271                         if (num <= 0 || num > 31)
6272                                 return -1;
6273                         subtypes |= BIT(num);
6274 #else /* CONFIG_HS20 */
6275                         return -1;
6276 #endif /* CONFIG_HS20 */
6277                 } else {
6278                         id[num_id] = atoi(pos);
6279                         if (id[num_id])
6280                                 num_id++;
6281                 }
6282                 pos = os_strchr(pos + 1, ',');
6283                 if (pos == NULL)
6284                         break;
6285                 pos++;
6286         }
6287
6288         if (num_id == 0)
6289                 return -1;
6290
6291         return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
6292 }
6293
6294
6295 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6296 {
6297         u8 dst_addr[ETH_ALEN];
6298         struct wpabuf *advproto, *query = NULL;
6299         int used, ret = -1;
6300         char *pos, *end;
6301         size_t len;
6302
6303         used = hwaddr_aton2(cmd, dst_addr);
6304         if (used < 0)
6305                 return -1;
6306
6307         pos = cmd + used;
6308         while (*pos == ' ')
6309                 pos++;
6310
6311         /* Advertisement Protocol ID */
6312         end = os_strchr(pos, ' ');
6313         if (end)
6314                 len = end - pos;
6315         else
6316                 len = os_strlen(pos);
6317         if (len & 0x01)
6318                 return -1;
6319         len /= 2;
6320         if (len == 0)
6321                 return -1;
6322         advproto = wpabuf_alloc(len);
6323         if (advproto == NULL)
6324                 return -1;
6325         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6326                 goto fail;
6327
6328         if (end) {
6329                 /* Optional Query Request */
6330                 pos = end + 1;
6331                 while (*pos == ' ')
6332                         pos++;
6333
6334                 len = os_strlen(pos);
6335                 if (len) {
6336                         if (len & 0x01)
6337                                 goto fail;
6338                         len /= 2;
6339                         if (len == 0)
6340                                 goto fail;
6341                         query = wpabuf_alloc(len);
6342                         if (query == NULL)
6343                                 goto fail;
6344                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6345                                 goto fail;
6346                 }
6347         }
6348
6349         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6350
6351 fail:
6352         wpabuf_free(advproto);
6353         wpabuf_free(query);
6354
6355         return ret;
6356 }
6357
6358
6359 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6360                             size_t buflen)
6361 {
6362         u8 addr[ETH_ALEN];
6363         int dialog_token;
6364         int used;
6365         char *pos;
6366         size_t resp_len, start, requested_len;
6367         struct wpabuf *resp;
6368         int ret;
6369
6370         used = hwaddr_aton2(cmd, addr);
6371         if (used < 0)
6372                 return -1;
6373
6374         pos = cmd + used;
6375         while (*pos == ' ')
6376                 pos++;
6377         dialog_token = atoi(pos);
6378
6379         if (wpa_s->last_gas_resp &&
6380             os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6381             dialog_token == wpa_s->last_gas_dialog_token)
6382                 resp = wpa_s->last_gas_resp;
6383         else if (wpa_s->prev_gas_resp &&
6384                  os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6385                  dialog_token == wpa_s->prev_gas_dialog_token)
6386                 resp = wpa_s->prev_gas_resp;
6387         else
6388                 return -1;
6389
6390         resp_len = wpabuf_len(resp);
6391         start = 0;
6392         requested_len = resp_len;
6393
6394         pos = os_strchr(pos, ' ');
6395         if (pos) {
6396                 start = atoi(pos);
6397                 if (start > resp_len)
6398                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6399                 pos = os_strchr(pos, ',');
6400                 if (pos == NULL)
6401                         return -1;
6402                 pos++;
6403                 requested_len = atoi(pos);
6404                 if (start + requested_len > resp_len)
6405                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
6406         }
6407
6408         if (requested_len * 2 + 1 > buflen)
6409                 return os_snprintf(buf, buflen, "FAIL-Too long response");
6410
6411         ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6412                                requested_len);
6413
6414         if (start + requested_len == resp_len) {
6415                 /*
6416                  * Free memory by dropping the response after it has been
6417                  * fetched.
6418                  */
6419                 if (resp == wpa_s->prev_gas_resp) {
6420                         wpabuf_free(wpa_s->prev_gas_resp);
6421                         wpa_s->prev_gas_resp = NULL;
6422                 } else {
6423                         wpabuf_free(wpa_s->last_gas_resp);
6424                         wpa_s->last_gas_resp = NULL;
6425                 }
6426         }
6427
6428         return ret;
6429 }
6430 #endif /* CONFIG_INTERWORKING */
6431
6432
6433 #ifdef CONFIG_HS20
6434
6435 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6436 {
6437         u8 dst_addr[ETH_ALEN];
6438         int used;
6439         char *pos;
6440         u32 subtypes = 0;
6441
6442         used = hwaddr_aton2(dst, dst_addr);
6443         if (used < 0)
6444                 return -1;
6445         pos = dst + used;
6446         if (*pos == ' ')
6447                 pos++;
6448         for (;;) {
6449                 int num = atoi(pos);
6450                 if (num <= 0 || num > 31)
6451                         return -1;
6452                 subtypes |= BIT(num);
6453                 pos = os_strchr(pos + 1, ',');
6454                 if (pos == NULL)
6455                         break;
6456                 pos++;
6457         }
6458
6459         if (subtypes == 0)
6460                 return -1;
6461
6462         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6463 }
6464
6465
6466 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6467                                     const u8 *addr, const char *realm)
6468 {
6469         u8 *buf;
6470         size_t rlen, len;
6471         int ret;
6472
6473         rlen = os_strlen(realm);
6474         len = 3 + rlen;
6475         buf = os_malloc(len);
6476         if (buf == NULL)
6477                 return -1;
6478         buf[0] = 1; /* NAI Home Realm Count */
6479         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6480         buf[2] = rlen;
6481         os_memcpy(buf + 3, realm, rlen);
6482
6483         ret = hs20_anqp_send_req(wpa_s, addr,
6484                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6485                                  buf, len, 0);
6486
6487         os_free(buf);
6488
6489         return ret;
6490 }
6491
6492
6493 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6494                                         char *dst)
6495 {
6496         struct wpa_cred *cred = wpa_s->conf->cred;
6497         u8 dst_addr[ETH_ALEN];
6498         int used;
6499         u8 *buf;
6500         size_t len;
6501         int ret;
6502
6503         used = hwaddr_aton2(dst, dst_addr);
6504         if (used < 0)
6505                 return -1;
6506
6507         while (dst[used] == ' ')
6508                 used++;
6509         if (os_strncmp(dst + used, "realm=", 6) == 0)
6510                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
6511                                                 dst + used + 6);
6512
6513         len = os_strlen(dst + used);
6514
6515         if (len == 0 && cred && cred->realm)
6516                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6517
6518         if (len & 1)
6519                 return -1;
6520         len /= 2;
6521         buf = os_malloc(len);
6522         if (buf == NULL)
6523                 return -1;
6524         if (hexstr2bin(dst + used, buf, len) < 0) {
6525                 os_free(buf);
6526                 return -1;
6527         }
6528
6529         ret = hs20_anqp_send_req(wpa_s, dst_addr,
6530                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6531                                  buf, len, 0);
6532         os_free(buf);
6533
6534         return ret;
6535 }
6536
6537
6538 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
6539                          int buflen)
6540 {
6541         u8 dst_addr[ETH_ALEN];
6542         int used;
6543         char *ctx = NULL, *icon, *poffset, *psize;
6544
6545         used = hwaddr_aton2(cmd, dst_addr);
6546         if (used < 0)
6547                 return -1;
6548         cmd += used;
6549
6550         icon = str_token(cmd, " ", &ctx);
6551         poffset = str_token(cmd, " ", &ctx);
6552         psize = str_token(cmd, " ", &ctx);
6553         if (!icon || !poffset || !psize)
6554                 return -1;
6555
6556         wpa_s->fetch_osu_icon_in_progress = 0;
6557         return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
6558                              reply, buflen);
6559 }
6560
6561
6562 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
6563 {
6564         u8 dst_addr[ETH_ALEN];
6565         int used;
6566         char *icon;
6567
6568         if (!cmd[0])
6569                 return hs20_del_icon(wpa_s, NULL, NULL);
6570
6571         used = hwaddr_aton2(cmd, dst_addr);
6572         if (used < 0)
6573                 return -1;
6574
6575         while (cmd[used] == ' ')
6576                 used++;
6577         icon = cmd[used] ? &cmd[used] : NULL;
6578
6579         return hs20_del_icon(wpa_s, dst_addr, icon);
6580 }
6581
6582
6583 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
6584 {
6585         u8 dst_addr[ETH_ALEN];
6586         int used;
6587         char *icon;
6588
6589         used = hwaddr_aton2(cmd, dst_addr);
6590         if (used < 0)
6591                 return -1;
6592
6593         while (cmd[used] == ' ')
6594                 used++;
6595         icon = &cmd[used];
6596
6597         wpa_s->fetch_osu_icon_in_progress = 0;
6598         return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
6599                                   (u8 *) icon, os_strlen(icon), inmem);
6600 }
6601
6602 #endif /* CONFIG_HS20 */
6603
6604
6605 #ifdef CONFIG_AUTOSCAN
6606
6607 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
6608                                               char *cmd)
6609 {
6610         enum wpa_states state = wpa_s->wpa_state;
6611         char *new_params = NULL;
6612
6613         if (os_strlen(cmd) > 0) {
6614                 new_params = os_strdup(cmd);
6615                 if (new_params == NULL)
6616                         return -1;
6617         }
6618
6619         os_free(wpa_s->conf->autoscan);
6620         wpa_s->conf->autoscan = new_params;
6621
6622         if (wpa_s->conf->autoscan == NULL)
6623                 autoscan_deinit(wpa_s);
6624         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
6625                 autoscan_init(wpa_s, 1);
6626         else if (state == WPA_SCANNING)
6627                 wpa_supplicant_reinit_autoscan(wpa_s);
6628
6629         return 0;
6630 }
6631
6632 #endif /* CONFIG_AUTOSCAN */
6633
6634
6635 #ifdef CONFIG_WNM
6636
6637 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
6638 {
6639         int enter;
6640         int intval = 0;
6641         char *pos;
6642         int ret;
6643         struct wpabuf *tfs_req = NULL;
6644
6645         if (os_strncmp(cmd, "enter", 5) == 0)
6646                 enter = 1;
6647         else if (os_strncmp(cmd, "exit", 4) == 0)
6648                 enter = 0;
6649         else
6650                 return -1;
6651
6652         pos = os_strstr(cmd, " interval=");
6653         if (pos)
6654                 intval = atoi(pos + 10);
6655
6656         pos = os_strstr(cmd, " tfs_req=");
6657         if (pos) {
6658                 char *end;
6659                 size_t len;
6660                 pos += 9;
6661                 end = os_strchr(pos, ' ');
6662                 if (end)
6663                         len = end - pos;
6664                 else
6665                         len = os_strlen(pos);
6666                 if (len & 1)
6667                         return -1;
6668                 len /= 2;
6669                 tfs_req = wpabuf_alloc(len);
6670                 if (tfs_req == NULL)
6671                         return -1;
6672                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
6673                         wpabuf_free(tfs_req);
6674                         return -1;
6675                 }
6676         }
6677
6678         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
6679                                            WNM_SLEEP_MODE_EXIT, intval,
6680                                            tfs_req);
6681         wpabuf_free(tfs_req);
6682
6683         return ret;
6684 }
6685
6686
6687 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
6688 {
6689         int query_reason;
6690
6691         query_reason = atoi(cmd);
6692
6693         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
6694                    query_reason);
6695
6696         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
6697 }
6698
6699 #endif /* CONFIG_WNM */
6700
6701
6702 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
6703                                       size_t buflen)
6704 {
6705         struct wpa_signal_info si;
6706         int ret;
6707         char *pos, *end;
6708
6709         ret = wpa_drv_signal_poll(wpa_s, &si);
6710         if (ret)
6711                 return -1;
6712
6713         pos = buf;
6714         end = buf + buflen;
6715
6716         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
6717                           "NOISE=%d\nFREQUENCY=%u\n",
6718                           si.current_signal, si.current_txrate / 1000,
6719                           si.current_noise, si.frequency);
6720         if (os_snprintf_error(end - pos, ret))
6721                 return -1;
6722         pos += ret;
6723
6724         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
6725                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
6726                                   channel_width_to_string(si.chanwidth));
6727                 if (os_snprintf_error(end - pos, ret))
6728                         return -1;
6729                 pos += ret;
6730         }
6731
6732         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
6733                 ret = os_snprintf(pos, end - pos,
6734                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
6735                                   si.center_frq1, si.center_frq2);
6736                 if (os_snprintf_error(end - pos, ret))
6737                         return -1;
6738                 pos += ret;
6739         }
6740
6741         if (si.avg_signal) {
6742                 ret = os_snprintf(pos, end - pos,
6743                                   "AVG_RSSI=%d\n", si.avg_signal);
6744                 if (os_snprintf_error(end - pos, ret))
6745                         return -1;
6746                 pos += ret;
6747         }
6748
6749         if (si.avg_beacon_signal) {
6750                 ret = os_snprintf(pos, end - pos,
6751                                   "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
6752                 if (os_snprintf_error(end - pos, ret))
6753                         return -1;
6754                 pos += ret;
6755         }
6756
6757         return pos - buf;
6758 }
6759
6760
6761 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
6762                                           const char *cmd)
6763 {
6764         const char *pos;
6765         int threshold = 0;
6766         int hysteresis = 0;
6767
6768         if (wpa_s->bgscan && wpa_s->bgscan_priv) {
6769                 wpa_printf(MSG_DEBUG,
6770                            "Reject SIGNAL_MONITOR command - bgscan is active");
6771                 return -1;
6772         }
6773         pos = os_strstr(cmd, "THRESHOLD=");
6774         if (pos)
6775                 threshold = atoi(pos + 10);
6776         pos = os_strstr(cmd, "HYSTERESIS=");
6777         if (pos)
6778                 hysteresis = atoi(pos + 11);
6779         return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
6780 }
6781
6782
6783 static int wpas_ctrl_iface_get_pref_freq_list(
6784         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
6785 {
6786         unsigned int freq_list[100], num = 100, i;
6787         int ret;
6788         enum wpa_driver_if_type iface_type;
6789         char *pos, *end;
6790
6791         pos = buf;
6792         end = buf + buflen;
6793
6794         /* buf: "<interface_type>" */
6795         if (os_strcmp(cmd, "STATION") == 0)
6796                 iface_type = WPA_IF_STATION;
6797         else if (os_strcmp(cmd, "AP") == 0)
6798                 iface_type = WPA_IF_AP_BSS;
6799         else if (os_strcmp(cmd, "P2P_GO") == 0)
6800                 iface_type = WPA_IF_P2P_GO;
6801         else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
6802                 iface_type = WPA_IF_P2P_CLIENT;
6803         else if (os_strcmp(cmd, "IBSS") == 0)
6804                 iface_type = WPA_IF_IBSS;
6805         else if (os_strcmp(cmd, "TDLS") == 0)
6806                 iface_type = WPA_IF_TDLS;
6807         else
6808                 return -1;
6809
6810         wpa_printf(MSG_DEBUG,
6811                    "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
6812                    iface_type, buf);
6813
6814         ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
6815         if (ret)
6816                 return -1;
6817
6818         for (i = 0; i < num; i++) {
6819                 ret = os_snprintf(pos, end - pos, "%s%u",
6820                                   i > 0 ? "," : "", freq_list[i]);
6821                 if (os_snprintf_error(end - pos, ret))
6822                         return -1;
6823                 pos += ret;
6824         }
6825
6826         return pos - buf;
6827 }
6828
6829
6830 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
6831                                       size_t buflen)
6832 {
6833         struct hostap_sta_driver_data sta;
6834         int ret;
6835
6836         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
6837         if (ret)
6838                 return -1;
6839
6840         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
6841                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
6842         if (os_snprintf_error(buflen, ret))
6843                 return -1;
6844         return ret;
6845 }
6846
6847
6848 #ifdef ANDROID
6849 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6850                                      char *buf, size_t buflen)
6851 {
6852         int ret;
6853
6854         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
6855         if (ret == 0) {
6856                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
6857                         struct p2p_data *p2p = wpa_s->global->p2p;
6858                         if (p2p) {
6859                                 char country[3];
6860                                 country[0] = cmd[8];
6861                                 country[1] = cmd[9];
6862                                 country[2] = 0x04;
6863                                 p2p_set_country(p2p, country);
6864                         }
6865                 }
6866                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
6867                 if (os_snprintf_error(buflen, ret))
6868                         ret = -1;
6869         }
6870         return ret;
6871 }
6872 #endif /* ANDROID */
6873
6874
6875 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
6876                                      char *buf, size_t buflen)
6877 {
6878         int ret;
6879         char *pos;
6880         u8 *data = NULL;
6881         unsigned int vendor_id, subcmd;
6882         struct wpabuf *reply;
6883         size_t data_len = 0;
6884
6885         /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
6886         vendor_id = strtoul(cmd, &pos, 16);
6887         if (!isblank(*pos))
6888                 return -EINVAL;
6889
6890         subcmd = strtoul(pos, &pos, 10);
6891
6892         if (*pos != '\0') {
6893                 if (!isblank(*pos++))
6894                         return -EINVAL;
6895                 data_len = os_strlen(pos);
6896         }
6897
6898         if (data_len) {
6899                 data_len /= 2;
6900                 data = os_malloc(data_len);
6901                 if (!data)
6902                         return -1;
6903
6904                 if (hexstr2bin(pos, data, data_len)) {
6905                         wpa_printf(MSG_DEBUG,
6906                                    "Vendor command: wrong parameter format");
6907                         os_free(data);
6908                         return -EINVAL;
6909                 }
6910         }
6911
6912         reply = wpabuf_alloc((buflen - 1) / 2);
6913         if (!reply) {
6914                 os_free(data);
6915                 return -1;
6916         }
6917
6918         ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
6919                                  reply);
6920
6921         if (ret == 0)
6922                 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
6923                                        wpabuf_len(reply));
6924
6925         wpabuf_free(reply);
6926         os_free(data);
6927
6928         return ret;
6929 }
6930
6931
6932 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
6933 {
6934 #ifdef CONFIG_P2P
6935         struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
6936                 wpa_s->global->p2p_init_wpa_s : wpa_s;
6937 #endif /* CONFIG_P2P */
6938
6939         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
6940
6941         wpas_abort_ongoing_scan(wpa_s);
6942
6943 #ifdef CONFIG_P2P
6944         wpas_p2p_cancel(p2p_wpa_s);
6945         p2p_ctrl_flush(p2p_wpa_s);
6946         wpas_p2p_group_remove(p2p_wpa_s, "*");
6947         wpas_p2p_service_flush(p2p_wpa_s);
6948         p2p_wpa_s->global->p2p_disabled = 0;
6949         p2p_wpa_s->global->p2p_per_sta_psk = 0;
6950         p2p_wpa_s->conf->num_sec_device_types = 0;
6951         p2p_wpa_s->p2p_disable_ip_addr_req = 0;
6952         os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
6953         p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
6954         p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
6955         p2p_wpa_s->global->pending_p2ps_group = 0;
6956         p2p_wpa_s->global->pending_p2ps_group_freq = 0;
6957 #endif /* CONFIG_P2P */
6958
6959 #ifdef CONFIG_WPS_TESTING
6960         wps_version_number = 0x20;
6961         wps_testing_dummy_cred = 0;
6962         wps_corrupt_pkhash = 0;
6963 #endif /* CONFIG_WPS_TESTING */
6964 #ifdef CONFIG_WPS
6965         wpa_s->wps_fragment_size = 0;
6966         wpas_wps_cancel(wpa_s);
6967         wps_registrar_flush(wpa_s->wps->registrar);
6968 #endif /* CONFIG_WPS */
6969         wpa_s->after_wps = 0;
6970         wpa_s->known_wps_freq = 0;
6971
6972 #ifdef CONFIG_TDLS
6973 #ifdef CONFIG_TDLS_TESTING
6974         extern unsigned int tdls_testing;
6975         tdls_testing = 0;
6976 #endif /* CONFIG_TDLS_TESTING */
6977         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
6978         wpa_tdls_enable(wpa_s->wpa, 1);
6979 #endif /* CONFIG_TDLS */
6980
6981         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
6982         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
6983
6984         wpa_s->no_keep_alive = 0;
6985         wpa_s->own_disconnect_req = 0;
6986
6987         os_free(wpa_s->disallow_aps_bssid);
6988         wpa_s->disallow_aps_bssid = NULL;
6989         wpa_s->disallow_aps_bssid_count = 0;
6990         os_free(wpa_s->disallow_aps_ssid);
6991         wpa_s->disallow_aps_ssid = NULL;
6992         wpa_s->disallow_aps_ssid_count = 0;
6993
6994         wpa_s->set_sta_uapsd = 0;
6995         wpa_s->sta_uapsd = 0;
6996
6997         wpa_drv_radio_disable(wpa_s, 0);
6998         wpa_blacklist_clear(wpa_s);
6999         wpa_s->extra_blacklist_count = 0;
7000         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7001         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7002         wpa_config_flush_blobs(wpa_s->conf);
7003         wpa_s->conf->auto_interworking = 0;
7004         wpa_s->conf->okc = 0;
7005
7006         wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7007         rsn_preauth_deinit(wpa_s->wpa);
7008
7009         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7010         wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7011         wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7012         eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7013
7014         radio_remove_works(wpa_s, NULL, 1);
7015         wpa_s->ext_work_in_progress = 0;
7016
7017         wpa_s->next_ssid = NULL;
7018
7019 #ifdef CONFIG_INTERWORKING
7020 #ifdef CONFIG_HS20
7021         hs20_cancel_fetch_osu(wpa_s);
7022         hs20_del_icon(wpa_s, NULL, NULL);
7023 #endif /* CONFIG_HS20 */
7024 #endif /* CONFIG_INTERWORKING */
7025
7026         wpa_s->ext_mgmt_frame_handling = 0;
7027         wpa_s->ext_eapol_frame_io = 0;
7028 #ifdef CONFIG_TESTING_OPTIONS
7029         wpa_s->extra_roc_dur = 0;
7030         wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7031         wpa_s->p2p_go_csa_on_inv = 0;
7032         wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7033 #endif /* CONFIG_TESTING_OPTIONS */
7034
7035         wpa_s->disconnected = 0;
7036         os_free(wpa_s->next_scan_freqs);
7037         wpa_s->next_scan_freqs = NULL;
7038
7039         wpa_bss_flush(wpa_s);
7040         if (!dl_list_empty(&wpa_s->bss)) {
7041                 wpa_printf(MSG_DEBUG,
7042                            "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7043                            MACSTR " pending_bssid=" MACSTR,
7044                            dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7045                            MAC2STR(wpa_s->bssid),
7046                            MAC2STR(wpa_s->pending_bssid));
7047         }
7048
7049         eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7050         wpa_s->wnmsleep_used = 0;
7051 }
7052
7053
7054 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7055                                      char *buf, size_t buflen)
7056 {
7057         struct wpa_radio_work *work;
7058         char *pos, *end;
7059         struct os_reltime now, diff;
7060
7061         pos = buf;
7062         end = buf + buflen;
7063
7064         os_get_reltime(&now);
7065
7066         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7067         {
7068                 int ret;
7069
7070                 os_reltime_sub(&now, &work->time, &diff);
7071                 ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7072                                   work->type, work->wpa_s->ifname, work->freq,
7073                                   work->started, diff.sec, diff.usec);
7074                 if (os_snprintf_error(end - pos, ret))
7075                         break;
7076                 pos += ret;
7077         }
7078
7079         return pos - buf;
7080 }
7081
7082
7083 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7084 {
7085         struct wpa_radio_work *work = eloop_ctx;
7086         struct wpa_external_work *ework = work->ctx;
7087
7088         wpa_dbg(work->wpa_s, MSG_DEBUG,
7089                 "Timing out external radio work %u (%s)",
7090                 ework->id, work->type);
7091         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7092         work->wpa_s->ext_work_in_progress = 0;
7093         radio_work_done(work);
7094         os_free(ework);
7095 }
7096
7097
7098 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7099 {
7100         struct wpa_external_work *ework = work->ctx;
7101
7102         if (deinit) {
7103                 if (work->started)
7104                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7105                                              work, NULL);
7106
7107                 os_free(ework);
7108                 return;
7109         }
7110
7111         wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7112                 ework->id, ework->type);
7113         wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7114         work->wpa_s->ext_work_in_progress = 1;
7115         if (!ework->timeout)
7116                 ework->timeout = 10;
7117         eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7118                                work, NULL);
7119 }
7120
7121
7122 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7123                                     char *buf, size_t buflen)
7124 {
7125         struct wpa_external_work *ework;
7126         char *pos, *pos2;
7127         size_t type_len;
7128         int ret;
7129         unsigned int freq = 0;
7130
7131         /* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7132
7133         ework = os_zalloc(sizeof(*ework));
7134         if (ework == NULL)
7135                 return -1;
7136
7137         pos = os_strchr(cmd, ' ');
7138         if (pos) {
7139                 type_len = pos - cmd;
7140                 pos++;
7141
7142                 pos2 = os_strstr(pos, "freq=");
7143                 if (pos2)
7144                         freq = atoi(pos2 + 5);
7145
7146                 pos2 = os_strstr(pos, "timeout=");
7147                 if (pos2)
7148                         ework->timeout = atoi(pos2 + 8);
7149         } else {
7150                 type_len = os_strlen(cmd);
7151         }
7152         if (4 + type_len >= sizeof(ework->type))
7153                 type_len = sizeof(ework->type) - 4 - 1;
7154         os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7155         os_memcpy(ework->type + 4, cmd, type_len);
7156         ework->type[4 + type_len] = '\0';
7157
7158         wpa_s->ext_work_id++;
7159         if (wpa_s->ext_work_id == 0)
7160                 wpa_s->ext_work_id++;
7161         ework->id = wpa_s->ext_work_id;
7162
7163         if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7164                            ework) < 0) {
7165                 os_free(ework);
7166                 return -1;
7167         }
7168
7169         ret = os_snprintf(buf, buflen, "%u", ework->id);
7170         if (os_snprintf_error(buflen, ret))
7171                 return -1;
7172         return ret;
7173 }
7174
7175
7176 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7177 {
7178         struct wpa_radio_work *work;
7179         unsigned int id = atoi(cmd);
7180
7181         dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7182         {
7183                 struct wpa_external_work *ework;
7184
7185                 if (os_strncmp(work->type, "ext:", 4) != 0)
7186                         continue;
7187                 ework = work->ctx;
7188                 if (id && ework->id != id)
7189                         continue;
7190                 wpa_dbg(wpa_s, MSG_DEBUG,
7191                         "Completed external radio work %u (%s)",
7192                         ework->id, ework->type);
7193                 eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7194                 wpa_s->ext_work_in_progress = 0;
7195                 radio_work_done(work);
7196                 os_free(ework);
7197                 return 3; /* "OK\n" */
7198         }
7199
7200         return -1;
7201 }
7202
7203
7204 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7205                                 char *buf, size_t buflen)
7206 {
7207         if (os_strcmp(cmd, "show") == 0)
7208                 return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7209         if (os_strncmp(cmd, "add ", 4) == 0)
7210                 return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7211         if (os_strncmp(cmd, "done ", 5) == 0)
7212                 return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7213         return -1;
7214 }
7215
7216
7217 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7218 {
7219         struct wpa_radio_work *work, *tmp;
7220
7221         if (!wpa_s || !wpa_s->radio)
7222                 return;
7223
7224         dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7225                               struct wpa_radio_work, list) {
7226                 struct wpa_external_work *ework;
7227
7228                 if (os_strncmp(work->type, "ext:", 4) != 0)
7229                         continue;
7230                 ework = work->ctx;
7231                 wpa_dbg(wpa_s, MSG_DEBUG,
7232                         "Flushing%s external radio work %u (%s)",
7233                         work->started ? " started" : "", ework->id,
7234                         ework->type);
7235                 if (work->started)
7236                         eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7237                                              work, NULL);
7238                 radio_work_done(work);
7239                 os_free(ework);
7240         }
7241 }
7242
7243
7244 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7245 {
7246         struct wpa_supplicant *wpa_s = eloop_ctx;
7247         eapol_sm_notify_ctrl_response(wpa_s->eapol);
7248 }
7249
7250
7251 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7252                               unsigned int *scan_id_count, int scan_id[])
7253 {
7254         const char *pos = value;
7255
7256         while (pos) {
7257                 if (*pos == ' ' || *pos == '\0')
7258                         break;
7259                 if (*scan_id_count == MAX_SCAN_ID)
7260                         return -1;
7261                 scan_id[(*scan_id_count)++] = atoi(pos);
7262                 pos = os_strchr(pos, ',');
7263                 if (pos)
7264                         pos++;
7265         }
7266
7267         return 0;
7268 }
7269
7270
7271 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7272                            char *reply, int reply_size, int *reply_len)
7273 {
7274         char *pos;
7275         unsigned int manual_scan_passive = 0;
7276         unsigned int manual_scan_use_id = 0;
7277         unsigned int manual_scan_only_new = 0;
7278         unsigned int scan_only = 0;
7279         unsigned int scan_id_count = 0;
7280         int scan_id[MAX_SCAN_ID];
7281         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7282                                  struct wpa_scan_results *scan_res);
7283         int *manual_scan_freqs = NULL;
7284         struct wpa_ssid_value *ssid = NULL, *ns;
7285         unsigned int ssid_count = 0;
7286
7287         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7288                 *reply_len = -1;
7289                 return;
7290         }
7291
7292         if (radio_work_pending(wpa_s, "scan")) {
7293                 wpa_printf(MSG_DEBUG,
7294                            "Pending scan scheduled - reject new request");
7295                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7296                 return;
7297         }
7298
7299 #ifdef CONFIG_INTERWORKING
7300         if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7301                 wpa_printf(MSG_DEBUG,
7302                            "Interworking select in progress - reject new scan");
7303                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7304                 return;
7305         }
7306 #endif /* CONFIG_INTERWORKING */
7307
7308         if (params) {
7309                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7310                         scan_only = 1;
7311
7312                 pos = os_strstr(params, "freq=");
7313                 if (pos) {
7314                         manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7315                                                                        pos + 5);
7316                         if (manual_scan_freqs == NULL) {
7317                                 *reply_len = -1;
7318                                 goto done;
7319                         }
7320                 }
7321
7322                 pos = os_strstr(params, "passive=");
7323                 if (pos)
7324                         manual_scan_passive = !!atoi(pos + 8);
7325
7326                 pos = os_strstr(params, "use_id=");
7327                 if (pos)
7328                         manual_scan_use_id = atoi(pos + 7);
7329
7330                 pos = os_strstr(params, "only_new=1");
7331                 if (pos)
7332                         manual_scan_only_new = 1;
7333
7334                 pos = os_strstr(params, "scan_id=");
7335                 if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7336                                               scan_id) < 0) {
7337                         *reply_len = -1;
7338                         goto done;
7339                 }
7340
7341                 pos = params;
7342                 while (pos && *pos != '\0') {
7343                         if (os_strncmp(pos, "ssid ", 5) == 0) {
7344                                 char *end;
7345
7346                                 pos += 5;
7347                                 end = pos;
7348                                 while (*end) {
7349                                         if (*end == '\0' || *end == ' ')
7350                                                 break;
7351                                         end++;
7352                                 }
7353
7354                                 ns = os_realloc_array(
7355                                         ssid, ssid_count + 1,
7356                                         sizeof(struct wpa_ssid_value));
7357                                 if (ns == NULL) {
7358                                         *reply_len = -1;
7359                                         goto done;
7360                                 }
7361                                 ssid = ns;
7362
7363                                 if ((end - pos) & 0x01 ||
7364                                     end - pos > 2 * SSID_MAX_LEN ||
7365                                     hexstr2bin(pos, ssid[ssid_count].ssid,
7366                                                (end - pos) / 2) < 0) {
7367                                         wpa_printf(MSG_DEBUG,
7368                                                    "Invalid SSID value '%s'",
7369                                                    pos);
7370                                         *reply_len = -1;
7371                                         goto done;
7372                                 }
7373                                 ssid[ssid_count].ssid_len = (end - pos) / 2;
7374                                 wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7375                                                   ssid[ssid_count].ssid,
7376                                                   ssid[ssid_count].ssid_len);
7377                                 ssid_count++;
7378                                 pos = end;
7379                         }
7380
7381                         pos = os_strchr(pos, ' ');
7382                         if (pos)
7383                                 pos++;
7384                 }
7385         }
7386
7387         wpa_s->num_ssids_from_scan_req = ssid_count;
7388         os_free(wpa_s->ssids_from_scan_req);
7389         if (ssid_count) {
7390                 wpa_s->ssids_from_scan_req = ssid;
7391                 ssid = NULL;
7392         } else {
7393                 wpa_s->ssids_from_scan_req = NULL;
7394         }
7395
7396         if (scan_only)
7397                 scan_res_handler = scan_only_handler;
7398         else if (wpa_s->scan_res_handler == scan_only_handler)
7399                 scan_res_handler = NULL;
7400         else
7401                 scan_res_handler = wpa_s->scan_res_handler;
7402
7403         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7404             ((wpa_s->wpa_state <= WPA_SCANNING) ||
7405              (wpa_s->wpa_state == WPA_COMPLETED))) {
7406                 wpa_s->manual_scan_passive = manual_scan_passive;
7407                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7408                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7409                 wpa_s->scan_id_count = scan_id_count;
7410                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7411                 wpa_s->scan_res_handler = scan_res_handler;
7412                 os_free(wpa_s->manual_scan_freqs);
7413                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7414                 manual_scan_freqs = NULL;
7415
7416                 wpa_s->normal_scans = 0;
7417                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7418                 wpa_s->after_wps = 0;
7419                 wpa_s->known_wps_freq = 0;
7420                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7421                 if (wpa_s->manual_scan_use_id) {
7422                         wpa_s->manual_scan_id++;
7423                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7424                                 wpa_s->manual_scan_id);
7425                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7426                                                  wpa_s->manual_scan_id);
7427                 }
7428         } else if (wpa_s->sched_scanning) {
7429                 wpa_s->manual_scan_passive = manual_scan_passive;
7430                 wpa_s->manual_scan_use_id = manual_scan_use_id;
7431                 wpa_s->manual_scan_only_new = manual_scan_only_new;
7432                 wpa_s->scan_id_count = scan_id_count;
7433                 os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7434                 wpa_s->scan_res_handler = scan_res_handler;
7435                 os_free(wpa_s->manual_scan_freqs);
7436                 wpa_s->manual_scan_freqs = manual_scan_freqs;
7437                 manual_scan_freqs = NULL;
7438
7439                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
7440                 wpa_supplicant_cancel_sched_scan(wpa_s);
7441                 wpa_s->scan_req = MANUAL_SCAN_REQ;
7442                 wpa_supplicant_req_scan(wpa_s, 0, 0);
7443                 if (wpa_s->manual_scan_use_id) {
7444                         wpa_s->manual_scan_id++;
7445                         *reply_len = os_snprintf(reply, reply_size, "%u\n",
7446                                                  wpa_s->manual_scan_id);
7447                         wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
7448                                 wpa_s->manual_scan_id);
7449                 }
7450         } else {
7451                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
7452                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7453         }
7454
7455 done:
7456         os_free(manual_scan_freqs);
7457         os_free(ssid);
7458 }
7459
7460
7461 #ifdef CONFIG_TESTING_OPTIONS
7462
7463 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
7464                                        unsigned int freq, const u8 *dst,
7465                                        const u8 *src, const u8 *bssid,
7466                                        const u8 *data, size_t data_len,
7467                                        enum offchannel_send_action_result
7468                                        result)
7469 {
7470         wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
7471                 " src=" MACSTR " bssid=" MACSTR " result=%s",
7472                 freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
7473                 result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
7474                 "SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
7475                              "NO_ACK" : "FAILED"));
7476 }
7477
7478
7479 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
7480 {
7481         char *pos, *param;
7482         size_t len;
7483         u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
7484         int res, used;
7485         int freq = 0, no_cck = 0, wait_time = 0;
7486
7487         /* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
7488          *    <action=Action frame payload> */
7489
7490         wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
7491
7492         pos = cmd;
7493         used = hwaddr_aton2(pos, da);
7494         if (used < 0)
7495                 return -1;
7496         pos += used;
7497         while (*pos == ' ')
7498                 pos++;
7499         used = hwaddr_aton2(pos, bssid);
7500         if (used < 0)
7501                 return -1;
7502         pos += used;
7503
7504         param = os_strstr(pos, " freq=");
7505         if (param) {
7506                 param += 6;
7507                 freq = atoi(param);
7508         }
7509
7510         param = os_strstr(pos, " no_cck=");
7511         if (param) {
7512                 param += 8;
7513                 no_cck = atoi(param);
7514         }
7515
7516         param = os_strstr(pos, " wait_time=");
7517         if (param) {
7518                 param += 11;
7519                 wait_time = atoi(param);
7520         }
7521
7522         param = os_strstr(pos, " action=");
7523         if (param == NULL)
7524                 return -1;
7525         param += 8;
7526
7527         len = os_strlen(param);
7528         if (len & 1)
7529                 return -1;
7530         len /= 2;
7531
7532         buf = os_malloc(len);
7533         if (buf == NULL)
7534                 return -1;
7535
7536         if (hexstr2bin(param, buf, len) < 0) {
7537                 os_free(buf);
7538                 return -1;
7539         }
7540
7541         res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
7542                                      buf, len, wait_time,
7543                                      wpas_ctrl_iface_mgmt_tx_cb, no_cck);
7544         os_free(buf);
7545         return res;
7546 }
7547
7548
7549 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
7550 {
7551         wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
7552         offchannel_send_action_done(wpa_s);
7553 }
7554
7555
7556 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
7557 {
7558         char *pos, *param;
7559         union wpa_event_data event;
7560         enum wpa_event_type ev;
7561
7562         /* <event name> [parameters..] */
7563
7564         wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
7565
7566         pos = cmd;
7567         param = os_strchr(pos, ' ');
7568         if (param)
7569                 *param++ = '\0';
7570
7571         os_memset(&event, 0, sizeof(event));
7572
7573         if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
7574                 ev = EVENT_INTERFACE_ENABLED;
7575         } else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
7576                 ev = EVENT_INTERFACE_DISABLED;
7577         } else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
7578                 ev = EVENT_AVOID_FREQUENCIES;
7579                 if (param == NULL)
7580                         param = "";
7581                 if (freq_range_list_parse(&event.freq_range, param) < 0)
7582                         return -1;
7583                 wpa_supplicant_event(wpa_s, ev, &event);
7584                 os_free(event.freq_range.range);
7585                 return 0;
7586         } else {
7587                 wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
7588                         cmd);
7589                 return -1;
7590         }
7591
7592         wpa_supplicant_event(wpa_s, ev, &event);
7593
7594         return 0;
7595 }
7596
7597
7598 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
7599 {
7600         char *pos;
7601         u8 src[ETH_ALEN], *buf;
7602         int used;
7603         size_t len;
7604
7605         wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
7606
7607         pos = cmd;
7608         used = hwaddr_aton2(pos, src);
7609         if (used < 0)
7610                 return -1;
7611         pos += used;
7612         while (*pos == ' ')
7613                 pos++;
7614
7615         len = os_strlen(pos);
7616         if (len & 1)
7617                 return -1;
7618         len /= 2;
7619
7620         buf = os_malloc(len);
7621         if (buf == NULL)
7622                 return -1;
7623
7624         if (hexstr2bin(pos, buf, len) < 0) {
7625                 os_free(buf);
7626                 return -1;
7627         }
7628
7629         wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
7630         os_free(buf);
7631
7632         return 0;
7633 }
7634
7635
7636 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
7637 {
7638         size_t i;
7639         u32 sum = 0;
7640         const u16 *pos = buf;
7641
7642         for (i = 0; i < len / 2; i++)
7643                 sum += *pos++;
7644
7645         while (sum >> 16)
7646                 sum = (sum & 0xffff) + (sum >> 16);
7647
7648         return sum ^ 0xffff;
7649 }
7650
7651
7652 #define HWSIM_PACKETLEN 1500
7653 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
7654
7655 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
7656 {
7657         struct wpa_supplicant *wpa_s = ctx;
7658         const struct ether_header *eth;
7659         struct iphdr ip;
7660         const u8 *pos;
7661         unsigned int i;
7662
7663         if (len != HWSIM_PACKETLEN)
7664                 return;
7665
7666         eth = (const struct ether_header *) buf;
7667         os_memcpy(&ip, eth + 1, sizeof(ip));
7668         pos = &buf[sizeof(*eth) + sizeof(ip)];
7669
7670         if (ip.ihl != 5 || ip.version != 4 ||
7671             ntohs(ip.tot_len) != HWSIM_IP_LEN)
7672                 return;
7673
7674         for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
7675                 if (*pos != (u8) i)
7676                         return;
7677                 pos++;
7678         }
7679
7680         wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
7681                 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
7682 }
7683
7684
7685 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
7686                                             char *cmd)
7687 {
7688         int enabled = atoi(cmd);
7689
7690         if (!enabled) {
7691                 if (wpa_s->l2_test) {
7692                         l2_packet_deinit(wpa_s->l2_test);
7693                         wpa_s->l2_test = NULL;
7694                         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
7695                 }
7696                 return 0;
7697         }
7698
7699         if (wpa_s->l2_test)
7700                 return 0;
7701
7702         wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
7703                                         ETHERTYPE_IP, wpas_data_test_rx,
7704                                         wpa_s, 1);
7705         if (wpa_s->l2_test == NULL)
7706                 return -1;
7707
7708         wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
7709
7710         return 0;
7711 }
7712
7713
7714 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
7715 {
7716         u8 dst[ETH_ALEN], src[ETH_ALEN];
7717         char *pos;
7718         int used;
7719         long int val;
7720         u8 tos;
7721         u8 buf[2 + HWSIM_PACKETLEN];
7722         struct ether_header *eth;
7723         struct iphdr *ip;
7724         u8 *dpos;
7725         unsigned int i;
7726
7727         if (wpa_s->l2_test == NULL)
7728                 return -1;
7729
7730         /* format: <dst> <src> <tos> */
7731
7732         pos = cmd;
7733         used = hwaddr_aton2(pos, dst);
7734         if (used < 0)
7735                 return -1;
7736         pos += used;
7737         while (*pos == ' ')
7738                 pos++;
7739         used = hwaddr_aton2(pos, src);
7740         if (used < 0)
7741                 return -1;
7742         pos += used;
7743
7744         val = strtol(pos, NULL, 0);
7745         if (val < 0 || val > 0xff)
7746                 return -1;
7747         tos = val;
7748
7749         eth = (struct ether_header *) &buf[2];
7750         os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
7751         os_memcpy(eth->ether_shost, src, ETH_ALEN);
7752         eth->ether_type = htons(ETHERTYPE_IP);
7753         ip = (struct iphdr *) (eth + 1);
7754         os_memset(ip, 0, sizeof(*ip));
7755         ip->ihl = 5;
7756         ip->version = 4;
7757         ip->ttl = 64;
7758         ip->tos = tos;
7759         ip->tot_len = htons(HWSIM_IP_LEN);
7760         ip->protocol = 1;
7761         ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
7762         ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
7763         ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
7764         dpos = (u8 *) (ip + 1);
7765         for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
7766                 *dpos++ = i;
7767
7768         if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
7769                            HWSIM_PACKETLEN) < 0)
7770                 return -1;
7771
7772         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
7773                 " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
7774
7775         return 0;
7776 }
7777
7778
7779 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
7780                                            char *cmd)
7781 {
7782         u8 *buf;
7783         struct ether_header *eth;
7784         struct l2_packet_data *l2 = NULL;
7785         size_t len;
7786         u16 ethertype;
7787         int res = -1;
7788
7789         len = os_strlen(cmd);
7790         if (len & 1 || len < ETH_HLEN * 2)
7791                 return -1;
7792         len /= 2;
7793
7794         buf = os_malloc(len);
7795         if (buf == NULL)
7796                 return -1;
7797
7798         if (hexstr2bin(cmd, buf, len) < 0)
7799                 goto done;
7800
7801         eth = (struct ether_header *) buf;
7802         ethertype = ntohs(eth->ether_type);
7803
7804         l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
7805                             wpas_data_test_rx, wpa_s, 1);
7806         if (l2 == NULL)
7807                 goto done;
7808
7809         res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
7810         wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
7811 done:
7812         if (l2)
7813                 l2_packet_deinit(l2);
7814         os_free(buf);
7815
7816         return res < 0 ? -1 : 0;
7817 }
7818
7819
7820 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
7821 {
7822 #ifdef WPA_TRACE_BFD
7823         extern char wpa_trace_fail_func[256];
7824         extern unsigned int wpa_trace_fail_after;
7825         char *pos;
7826
7827         wpa_trace_fail_after = atoi(cmd);
7828         pos = os_strchr(cmd, ':');
7829         if (pos) {
7830                 pos++;
7831                 os_strlcpy(wpa_trace_fail_func, pos,
7832                            sizeof(wpa_trace_fail_func));
7833         } else {
7834                 wpa_trace_fail_after = 0;
7835         }
7836         return 0;
7837 #else /* WPA_TRACE_BFD */
7838         return -1;
7839 #endif /* WPA_TRACE_BFD */
7840 }
7841
7842
7843 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
7844                                     char *buf, size_t buflen)
7845 {
7846 #ifdef WPA_TRACE_BFD
7847         extern char wpa_trace_fail_func[256];
7848         extern unsigned int wpa_trace_fail_after;
7849
7850         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
7851                            wpa_trace_fail_func);
7852 #else /* WPA_TRACE_BFD */
7853         return -1;
7854 #endif /* WPA_TRACE_BFD */
7855 }
7856
7857
7858 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
7859 {
7860 #ifdef WPA_TRACE_BFD
7861         extern char wpa_trace_test_fail_func[256];
7862         extern unsigned int wpa_trace_test_fail_after;
7863         char *pos;
7864
7865         wpa_trace_test_fail_after = atoi(cmd);
7866         pos = os_strchr(cmd, ':');
7867         if (pos) {
7868                 pos++;
7869                 os_strlcpy(wpa_trace_test_fail_func, pos,
7870                            sizeof(wpa_trace_test_fail_func));
7871         } else {
7872                 wpa_trace_test_fail_after = 0;
7873         }
7874         return 0;
7875 #else /* WPA_TRACE_BFD */
7876         return -1;
7877 #endif /* WPA_TRACE_BFD */
7878 }
7879
7880
7881 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
7882                                     char *buf, size_t buflen)
7883 {
7884 #ifdef WPA_TRACE_BFD
7885         extern char wpa_trace_test_fail_func[256];
7886         extern unsigned int wpa_trace_test_fail_after;
7887
7888         return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
7889                            wpa_trace_test_fail_func);
7890 #else /* WPA_TRACE_BFD */
7891         return -1;
7892 #endif /* WPA_TRACE_BFD */
7893 }
7894
7895
7896 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
7897 {
7898         struct wpa_supplicant *wpa_s = eloop_ctx;
7899         int i, count = (intptr_t) timeout_ctx;
7900
7901         wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
7902                    count);
7903         for (i = 0; i < count; i++) {
7904                 wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
7905                              i + 1, count);
7906         }
7907 }
7908
7909
7910 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
7911 {
7912         int count;
7913
7914         count = atoi(cmd);
7915         if (count <= 0)
7916                 return -1;
7917
7918         return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
7919                                       (void *) (intptr_t) count);
7920 }
7921
7922
7923 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
7924                                    const char *cmd)
7925 {
7926         struct wpabuf *buf;
7927         size_t len;
7928
7929         len = os_strlen(cmd);
7930         if (len & 1)
7931                 return -1;
7932         len /= 2;
7933
7934         if (len == 0) {
7935                 buf = NULL;
7936         } else {
7937                 buf = wpabuf_alloc(len);
7938                 if (buf == NULL)
7939                         return -1;
7940
7941                 if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
7942                         wpabuf_free(buf);
7943                         return -1;
7944                 }
7945         }
7946
7947         wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
7948         return 0;
7949 }
7950
7951 #endif /* CONFIG_TESTING_OPTIONS */
7952
7953
7954 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
7955 {
7956         char *pos = cmd;
7957         int frame;
7958         size_t len;
7959         struct wpabuf *buf;
7960         struct ieee802_11_elems elems;
7961
7962         frame = atoi(pos);
7963         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
7964                 return -1;
7965         wpa_s = wpas_vendor_elem(wpa_s, frame);
7966
7967         pos = os_strchr(pos, ' ');
7968         if (pos == NULL)
7969                 return -1;
7970         pos++;
7971
7972         len = os_strlen(pos);
7973         if (len == 0)
7974                 return 0;
7975         if (len & 1)
7976                 return -1;
7977         len /= 2;
7978
7979         buf = wpabuf_alloc(len);
7980         if (buf == NULL)
7981                 return -1;
7982
7983         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
7984                 wpabuf_free(buf);
7985                 return -1;
7986         }
7987
7988         if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
7989             ParseFailed) {
7990                 wpabuf_free(buf);
7991                 return -1;
7992         }
7993
7994         if (wpa_s->vendor_elem[frame] == NULL) {
7995                 wpa_s->vendor_elem[frame] = buf;
7996                 wpas_vendor_elem_update(wpa_s);
7997                 return 0;
7998         }
7999
8000         if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8001                 wpabuf_free(buf);
8002                 return -1;
8003         }
8004
8005         wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8006         wpabuf_free(buf);
8007         wpas_vendor_elem_update(wpa_s);
8008
8009         return 0;
8010 }
8011
8012
8013 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8014                                      char *buf, size_t buflen)
8015 {
8016         int frame = atoi(cmd);
8017
8018         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8019                 return -1;
8020         wpa_s = wpas_vendor_elem(wpa_s, frame);
8021
8022         if (wpa_s->vendor_elem[frame] == NULL)
8023                 return 0;
8024
8025         return wpa_snprintf_hex(buf, buflen,
8026                                 wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8027                                 wpabuf_len(wpa_s->vendor_elem[frame]));
8028 }
8029
8030
8031 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8032 {
8033         char *pos = cmd;
8034         int frame;
8035         size_t len;
8036         u8 *buf;
8037         struct ieee802_11_elems elems;
8038         int res;
8039
8040         frame = atoi(pos);
8041         if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8042                 return -1;
8043         wpa_s = wpas_vendor_elem(wpa_s, frame);
8044
8045         pos = os_strchr(pos, ' ');
8046         if (pos == NULL)
8047                 return -1;
8048         pos++;
8049
8050         if (*pos == '*') {
8051                 wpabuf_free(wpa_s->vendor_elem[frame]);
8052                 wpa_s->vendor_elem[frame] = NULL;
8053                 wpas_vendor_elem_update(wpa_s);
8054                 return 0;
8055         }
8056
8057         if (wpa_s->vendor_elem[frame] == NULL)
8058                 return -1;
8059
8060         len = os_strlen(pos);
8061         if (len == 0)
8062                 return 0;
8063         if (len & 1)
8064                 return -1;
8065         len /= 2;
8066
8067         buf = os_malloc(len);
8068         if (buf == NULL)
8069                 return -1;
8070
8071         if (hexstr2bin(pos, buf, len) < 0) {
8072                 os_free(buf);
8073                 return -1;
8074         }
8075
8076         if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8077                 os_free(buf);
8078                 return -1;
8079         }
8080
8081         res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8082         os_free(buf);
8083         return res;
8084 }
8085
8086
8087 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8088 {
8089         struct wpa_supplicant *wpa_s = ctx;
8090
8091         if (neighbor_rep) {
8092                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8093                              "length=%u",
8094                              (unsigned int) wpabuf_len(neighbor_rep));
8095                 wpabuf_free(neighbor_rep);
8096         } else {
8097                 wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8098         }
8099 }
8100
8101
8102 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
8103                                             char *cmd)
8104 {
8105         struct wpa_ssid ssid;
8106         struct wpa_ssid *ssid_p = NULL;
8107         int ret = 0;
8108
8109         if (os_strncmp(cmd, " ssid=", 6) == 0) {
8110                 ssid.ssid_len = os_strlen(cmd + 6);
8111                 if (ssid.ssid_len > SSID_MAX_LEN)
8112                         return -1;
8113                 ssid.ssid = (u8 *) (cmd + 6);
8114                 ssid_p = &ssid;
8115         }
8116
8117         ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
8118                                                  wpas_ctrl_neighbor_rep_cb,
8119                                                  wpa_s);
8120
8121         return ret;
8122 }
8123
8124
8125 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
8126 {
8127         eapol_sm_erp_flush(wpa_s->eapol);
8128         return 0;
8129 }
8130
8131
8132 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
8133                                          char *cmd)
8134 {
8135         char *token, *context = NULL;
8136         unsigned int enable = ~0, type = 0;
8137         u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
8138         u8 *addr = NULL, *mask = NULL;
8139
8140         while ((token = str_token(cmd, " ", &context))) {
8141                 if (os_strcasecmp(token, "scan") == 0) {
8142                         type |= MAC_ADDR_RAND_SCAN;
8143                 } else if (os_strcasecmp(token, "sched") == 0) {
8144                         type |= MAC_ADDR_RAND_SCHED_SCAN;
8145                 } else if (os_strcasecmp(token, "pno") == 0) {
8146                         type |= MAC_ADDR_RAND_PNO;
8147                 } else if (os_strcasecmp(token, "all") == 0) {
8148                         type = wpa_s->mac_addr_rand_supported;
8149                 } else if (os_strncasecmp(token, "enable=", 7) == 0) {
8150                         enable = atoi(token + 7);
8151                 } else if (os_strncasecmp(token, "addr=", 5) == 0) {
8152                         addr = _addr;
8153                         if (hwaddr_aton(token + 5, addr)) {
8154                                 wpa_printf(MSG_INFO,
8155                                            "CTRL: Invalid MAC address: %s",
8156                                            token);
8157                                 return -1;
8158                         }
8159                 } else if (os_strncasecmp(token, "mask=", 5) == 0) {
8160                         mask = _mask;
8161                         if (hwaddr_aton(token + 5, mask)) {
8162                                 wpa_printf(MSG_INFO,
8163                                            "CTRL: Invalid MAC address mask: %s",
8164                                            token);
8165                                 return -1;
8166                         }
8167                 } else {
8168                         wpa_printf(MSG_INFO,
8169                                    "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
8170                                    token);
8171                         return -1;
8172                 }
8173         }
8174
8175         if (!type) {
8176                 wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
8177                 return -1;
8178         }
8179
8180         if ((wpa_s->mac_addr_rand_supported & type) != type) {
8181                 wpa_printf(MSG_INFO,
8182                            "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
8183                            type, wpa_s->mac_addr_rand_supported);
8184                 return -1;
8185         }
8186
8187         if (enable > 1) {
8188                 wpa_printf(MSG_INFO,
8189                            "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
8190                 return -1;
8191         }
8192
8193         if (!enable) {
8194                 wpas_mac_addr_rand_scan_clear(wpa_s, type);
8195                 if (wpa_s->pno) {
8196                         if (type & MAC_ADDR_RAND_PNO) {
8197                                 wpas_stop_pno(wpa_s);
8198                                 wpas_start_pno(wpa_s);
8199                         }
8200                 } else if (wpa_s->sched_scanning &&
8201                            (type & MAC_ADDR_RAND_SCHED_SCAN)) {
8202                         /* simulate timeout to restart the sched scan */
8203                         wpa_s->sched_scan_timed_out = 1;
8204                         wpa_s->prev_sched_ssid = NULL;
8205                         wpa_supplicant_cancel_sched_scan(wpa_s);
8206                 }
8207                 return 0;
8208         }
8209
8210         if ((addr && !mask) || (!addr && mask)) {
8211                 wpa_printf(MSG_INFO,
8212                            "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
8213                 return -1;
8214         }
8215
8216         if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
8217                 wpa_printf(MSG_INFO,
8218                            "CTRL: MAC_RAND_SCAN cannot allow multicast address");
8219                 return -1;
8220         }
8221
8222         if (type & MAC_ADDR_RAND_SCAN) {
8223                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
8224                                             addr, mask);
8225         }
8226
8227         if (type & MAC_ADDR_RAND_SCHED_SCAN) {
8228                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
8229                                             addr, mask);
8230
8231                 if (wpa_s->sched_scanning && !wpa_s->pno) {
8232                         /* simulate timeout to restart the sched scan */
8233                         wpa_s->sched_scan_timed_out = 1;
8234                         wpa_s->prev_sched_ssid = NULL;
8235                         wpa_supplicant_cancel_sched_scan(wpa_s);
8236                 }
8237         }
8238
8239         if (type & MAC_ADDR_RAND_PNO) {
8240                 wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
8241                                             addr, mask);
8242                 if (wpa_s->pno) {
8243                         wpas_stop_pno(wpa_s);
8244                         wpas_start_pno(wpa_s);
8245                 }
8246         }
8247
8248         return 0;
8249 }
8250
8251
8252 static int wpas_ctrl_cmd_debug_level(const char *cmd)
8253 {
8254         if (os_strcmp(cmd, "PING") == 0 ||
8255             os_strncmp(cmd, "BSS ", 4) == 0 ||
8256             os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
8257             os_strncmp(cmd, "STATUS", 6) == 0 ||
8258             os_strncmp(cmd, "STA ", 4) == 0 ||
8259             os_strncmp(cmd, "STA-", 4) == 0)
8260                 return MSG_EXCESSIVE;
8261         return MSG_DEBUG;
8262 }
8263
8264
8265 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
8266                                          char *buf, size_t *resp_len)
8267 {
8268         char *reply;
8269         const int reply_size = 4096;
8270         int reply_len;
8271
8272         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
8273             os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8274                 if (wpa_debug_show_keys)
8275                         wpa_dbg(wpa_s, MSG_DEBUG,
8276                                 "Control interface command '%s'", buf);
8277                 else
8278                         wpa_dbg(wpa_s, MSG_DEBUG,
8279                                 "Control interface command '%s [REMOVED]'",
8280                                 os_strncmp(buf, WPA_CTRL_RSP,
8281                                            os_strlen(WPA_CTRL_RSP)) == 0 ?
8282                                 WPA_CTRL_RSP : "SET_NETWORK");
8283         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
8284                    os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
8285                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
8286                                       (const u8 *) buf, os_strlen(buf));
8287         } else {
8288                 int level = wpas_ctrl_cmd_debug_level(buf);
8289                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
8290         }
8291
8292         reply = os_malloc(reply_size);
8293         if (reply == NULL) {
8294                 *resp_len = 1;
8295                 return NULL;
8296         }
8297
8298         os_memcpy(reply, "OK\n", 3);
8299         reply_len = 3;
8300
8301         if (os_strcmp(buf, "PING") == 0) {
8302                 os_memcpy(reply, "PONG\n", 5);
8303                 reply_len = 5;
8304         } else if (os_strcmp(buf, "IFNAME") == 0) {
8305                 reply_len = os_strlen(wpa_s->ifname);
8306                 os_memcpy(reply, wpa_s->ifname, reply_len);
8307         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
8308                 if (wpa_debug_reopen_file() < 0)
8309                         reply_len = -1;
8310         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
8311                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
8312         } else if (os_strcmp(buf, "MIB") == 0) {
8313                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
8314                 if (reply_len >= 0) {
8315                         reply_len += eapol_sm_get_mib(wpa_s->eapol,
8316                                                       reply + reply_len,
8317                                                       reply_size - reply_len);
8318                 }
8319         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
8320                 reply_len = wpa_supplicant_ctrl_iface_status(
8321                         wpa_s, buf + 6, reply, reply_size);
8322         } else if (os_strcmp(buf, "PMKSA") == 0) {
8323                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
8324                                                     reply_size);
8325         } else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
8326                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
8327         } else if (os_strncmp(buf, "SET ", 4) == 0) {
8328                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
8329                         reply_len = -1;
8330         } else if (os_strncmp(buf, "DUMP", 4) == 0) {
8331                 reply_len = wpa_config_dump_values(wpa_s->conf,
8332                                                    reply, reply_size);
8333         } else if (os_strncmp(buf, "GET ", 4) == 0) {
8334                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
8335                                                           reply, reply_size);
8336         } else if (os_strcmp(buf, "LOGON") == 0) {
8337                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
8338         } else if (os_strcmp(buf, "LOGOFF") == 0) {
8339                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
8340         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
8341                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8342                         reply_len = -1;
8343                 else
8344                         wpas_request_connection(wpa_s);
8345         } else if (os_strcmp(buf, "REATTACH") == 0) {
8346                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
8347                     !wpa_s->current_ssid)
8348                         reply_len = -1;
8349                 else {
8350                         wpa_s->reattach = 1;
8351                         wpas_request_connection(wpa_s);
8352                 }
8353         } else if (os_strcmp(buf, "RECONNECT") == 0) {
8354                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
8355                         reply_len = -1;
8356                 else if (wpa_s->disconnected)
8357                         wpas_request_connection(wpa_s);
8358 #ifdef IEEE8021X_EAPOL
8359         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
8360                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
8361                         reply_len = -1;
8362 #endif /* IEEE8021X_EAPOL */
8363 #ifdef CONFIG_PEERKEY
8364         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
8365                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
8366                         reply_len = -1;
8367 #endif /* CONFIG_PEERKEY */
8368 #ifdef CONFIG_IEEE80211R
8369         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
8370                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
8371                         reply_len = -1;
8372 #endif /* CONFIG_IEEE80211R */
8373 #ifdef CONFIG_WPS
8374         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
8375                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
8376                 if (res == -2) {
8377                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8378                         reply_len = 17;
8379                 } else if (res)
8380                         reply_len = -1;
8381         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
8382                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
8383                 if (res == -2) {
8384                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8385                         reply_len = 17;
8386                 } else if (res)
8387                         reply_len = -1;
8388         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
8389                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
8390                                                               reply,
8391                                                               reply_size);
8392         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
8393                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
8394                         wpa_s, buf + 14, reply, reply_size);
8395         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
8396                 if (wpas_wps_cancel(wpa_s))
8397                         reply_len = -1;
8398 #ifdef CONFIG_WPS_NFC
8399         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
8400                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
8401                         reply_len = -1;
8402         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
8403                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
8404                         reply_len = -1;
8405         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
8406                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
8407                         wpa_s, buf + 21, reply, reply_size);
8408         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
8409                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
8410                         wpa_s, buf + 14, reply, reply_size);
8411         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
8412                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
8413                                                                buf + 17))
8414                         reply_len = -1;
8415         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
8416                 reply_len = wpas_ctrl_nfc_get_handover_req(
8417                         wpa_s, buf + 21, reply, reply_size);
8418         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
8419                 reply_len = wpas_ctrl_nfc_get_handover_sel(
8420                         wpa_s, buf + 21, reply, reply_size);
8421         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
8422                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
8423                         reply_len = -1;
8424 #endif /* CONFIG_WPS_NFC */
8425         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
8426                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
8427                         reply_len = -1;
8428 #ifdef CONFIG_AP
8429         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
8430                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
8431                         wpa_s, buf + 11, reply, reply_size);
8432 #endif /* CONFIG_AP */
8433 #ifdef CONFIG_WPS_ER
8434         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
8435                 if (wpas_wps_er_start(wpa_s, NULL))
8436                         reply_len = -1;
8437         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
8438                 if (wpas_wps_er_start(wpa_s, buf + 13))
8439                         reply_len = -1;
8440         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
8441                 wpas_wps_er_stop(wpa_s);
8442         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
8443                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
8444                         reply_len = -1;
8445         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
8446                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
8447                 if (ret == -2) {
8448                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
8449                         reply_len = 17;
8450                 } else if (ret == -3) {
8451                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
8452                         reply_len = 18;
8453                 } else if (ret == -4) {
8454                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
8455                         reply_len = 20;
8456                 } else if (ret)
8457                         reply_len = -1;
8458         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
8459                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
8460                         reply_len = -1;
8461         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
8462                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
8463                                                                 buf + 18))
8464                         reply_len = -1;
8465         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
8466                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
8467                         reply_len = -1;
8468 #ifdef CONFIG_WPS_NFC
8469         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
8470                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
8471                         wpa_s, buf + 24, reply, reply_size);
8472 #endif /* CONFIG_WPS_NFC */
8473 #endif /* CONFIG_WPS_ER */
8474 #endif /* CONFIG_WPS */
8475 #ifdef CONFIG_IBSS_RSN
8476         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
8477                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
8478                         reply_len = -1;
8479 #endif /* CONFIG_IBSS_RSN */
8480 #ifdef CONFIG_MESH
8481         } else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
8482                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8483                         wpa_s, buf + 19, reply, reply_size);
8484         } else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
8485                 reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
8486                         wpa_s, "", reply, reply_size);
8487         } else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
8488                 if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
8489                         reply_len = -1;
8490         } else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
8491                 if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
8492                                                                 buf + 18))
8493                         reply_len = -1;
8494 #endif /* CONFIG_MESH */
8495 #ifdef CONFIG_P2P
8496         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
8497                 if (p2p_ctrl_find(wpa_s, buf + 8))
8498                         reply_len = -1;
8499         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
8500                 if (p2p_ctrl_find(wpa_s, ""))
8501                         reply_len = -1;
8502         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
8503                 wpas_p2p_stop_find(wpa_s);
8504         } else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
8505                 if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
8506                         reply_len = -1;
8507         } else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
8508                 if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
8509                         reply_len = -1;
8510         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
8511                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
8512                                              reply_size);
8513         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
8514                 if (p2p_ctrl_listen(wpa_s, buf + 11))
8515                         reply_len = -1;
8516         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
8517                 if (p2p_ctrl_listen(wpa_s, ""))
8518                         reply_len = -1;
8519         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
8520                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
8521                         reply_len = -1;
8522         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
8523                 if (p2p_ctrl_group_add(wpa_s, ""))
8524                         reply_len = -1;
8525         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
8526                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
8527                         reply_len = -1;
8528         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
8529                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
8530                         reply_len = -1;
8531         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
8532                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
8533         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
8534                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
8535                                                    reply_size);
8536         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
8537                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
8538                         reply_len = -1;
8539         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
8540                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
8541                         reply_len = -1;
8542         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
8543                 wpas_p2p_sd_service_update(wpa_s);
8544         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
8545                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
8546                         reply_len = -1;
8547         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
8548                 wpas_p2p_service_flush(wpa_s);
8549         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
8550                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
8551                         reply_len = -1;
8552         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
8553                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
8554                         reply_len = -1;
8555         } else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
8556                 if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
8557                         reply_len = -1;
8558         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
8559                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
8560                         reply_len = -1;
8561         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
8562                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
8563                         reply_len = -1;
8564         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
8565                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
8566                                               reply_size);
8567         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
8568                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
8569                         reply_len = -1;
8570         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
8571                 p2p_ctrl_flush(wpa_s);
8572         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
8573                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
8574                         reply_len = -1;
8575         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
8576                 if (wpas_p2p_cancel(wpa_s))
8577                         reply_len = -1;
8578         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
8579                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
8580                         reply_len = -1;
8581         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
8582                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
8583                         reply_len = -1;
8584         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
8585                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
8586                         reply_len = -1;
8587         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
8588                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
8589                         reply_len = -1;
8590         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
8591                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
8592                         reply_len = -1;
8593 #endif /* CONFIG_P2P */
8594 #ifdef CONFIG_WIFI_DISPLAY
8595         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
8596                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
8597                         reply_len = -1;
8598         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
8599                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
8600                                                      reply, reply_size);
8601 #endif /* CONFIG_WIFI_DISPLAY */
8602 #ifdef CONFIG_INTERWORKING
8603         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
8604                 if (interworking_fetch_anqp(wpa_s) < 0)
8605                         reply_len = -1;
8606         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
8607                 interworking_stop_fetch_anqp(wpa_s);
8608         } else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
8609                 if (ctrl_interworking_select(wpa_s, NULL) < 0)
8610                         reply_len = -1;
8611         } else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
8612                 if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
8613                         reply_len = -1;
8614         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
8615                 if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
8616                         reply_len = -1;
8617         } else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
8618                 int id;
8619
8620                 id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
8621                 if (id < 0)
8622                         reply_len = -1;
8623                 else {
8624                         reply_len = os_snprintf(reply, reply_size, "%d\n", id);
8625                         if (os_snprintf_error(reply_size, reply_len))
8626                                 reply_len = -1;
8627                 }
8628         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
8629                 if (get_anqp(wpa_s, buf + 9) < 0)
8630                         reply_len = -1;
8631         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
8632                 if (gas_request(wpa_s, buf + 12) < 0)
8633                         reply_len = -1;
8634         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
8635                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
8636                                              reply_size);
8637 #endif /* CONFIG_INTERWORKING */
8638 #ifdef CONFIG_HS20
8639         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
8640                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
8641                         reply_len = -1;
8642         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
8643                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
8644                         reply_len = -1;
8645         } else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
8646                 if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
8647                         reply_len = -1;
8648         } else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
8649                 if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
8650                         reply_len = -1;
8651         } else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
8652                 reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
8653         } else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
8654                 if (del_hs20_icon(wpa_s, buf + 14) < 0)
8655                         reply_len = -1;
8656         } else if (os_strcmp(buf, "FETCH_OSU") == 0) {
8657                 if (hs20_fetch_osu(wpa_s) < 0)
8658                         reply_len = -1;
8659         } else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
8660                 hs20_cancel_fetch_osu(wpa_s);
8661 #endif /* CONFIG_HS20 */
8662         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
8663         {
8664                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
8665                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
8666                         reply_len = -1;
8667                 else {
8668                         /*
8669                          * Notify response from timeout to allow the control
8670                          * interface response to be sent first.
8671                          */
8672                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
8673                                                wpa_s, NULL);
8674                 }
8675         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
8676                 if (wpa_supplicant_reload_configuration(wpa_s))
8677                         reply_len = -1;
8678         } else if (os_strcmp(buf, "TERMINATE") == 0) {
8679                 wpa_supplicant_terminate_proc(wpa_s->global);
8680         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
8681                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
8682                         reply_len = -1;
8683         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
8684                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
8685                         wpa_s, buf + 9, reply, reply_size);
8686         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
8687                 reply_len = wpa_supplicant_ctrl_iface_log_level(
8688                         wpa_s, buf + 9, reply, reply_size);
8689         } else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
8690                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8691                         wpa_s, buf + 14, reply, reply_size);
8692         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
8693                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
8694                         wpa_s, NULL, reply, reply_size);
8695         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
8696 #ifdef CONFIG_SME
8697                 wpa_s->sme.prev_bssid_set = 0;
8698 #endif /* CONFIG_SME */
8699                 wpa_s->reassociate = 0;
8700                 wpa_s->disconnected = 1;
8701                 wpa_supplicant_cancel_sched_scan(wpa_s);
8702                 wpa_supplicant_cancel_scan(wpa_s);
8703                 wpa_supplicant_deauthenticate(wpa_s,
8704                                               WLAN_REASON_DEAUTH_LEAVING);
8705                 eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8706         } else if (os_strcmp(buf, "SCAN") == 0) {
8707                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
8708         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
8709                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
8710         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
8711                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
8712                         wpa_s, reply, reply_size);
8713         } else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
8714                 if (wpas_abort_ongoing_scan(wpa_s) < 0)
8715                         reply_len = -1;
8716         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
8717                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
8718                         reply_len = -1;
8719         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
8720                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
8721                         reply_len = -1;
8722         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
8723                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
8724                         reply_len = -1;
8725         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
8726                 reply_len = wpa_supplicant_ctrl_iface_add_network(
8727                         wpa_s, reply, reply_size);
8728         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
8729                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
8730                         reply_len = -1;
8731         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
8732                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
8733                         reply_len = -1;
8734         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
8735                 reply_len = wpa_supplicant_ctrl_iface_get_network(
8736                         wpa_s, buf + 12, reply, reply_size);
8737         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
8738                 if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
8739                                                           wpa_s))
8740                         reply_len = -1;
8741         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
8742                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
8743                         wpa_s, reply, reply_size);
8744         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
8745                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
8746                         wpa_s, reply, reply_size);
8747         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
8748                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
8749                         reply_len = -1;
8750         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
8751                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
8752                         reply_len = -1;
8753         } else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
8754                 reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
8755                                                                reply,
8756                                                                reply_size);
8757 #ifndef CONFIG_NO_CONFIG_WRITE
8758         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
8759                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
8760                         reply_len = -1;
8761 #endif /* CONFIG_NO_CONFIG_WRITE */
8762         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
8763                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
8764                         wpa_s, buf + 15, reply, reply_size);
8765         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
8766                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
8767                         reply_len = -1;
8768         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
8769                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
8770                         reply_len = -1;
8771         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
8772                 reply_len = wpa_supplicant_global_iface_list(
8773                         wpa_s->global, reply, reply_size);
8774         } else if (os_strcmp(buf, "INTERFACES") == 0) {
8775                 reply_len = wpa_supplicant_global_iface_interfaces(
8776                         wpa_s->global, reply, reply_size);
8777         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
8778                 reply_len = wpa_supplicant_ctrl_iface_bss(
8779                         wpa_s, buf + 4, reply, reply_size);
8780 #ifdef CONFIG_AP
8781         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
8782                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
8783         } else if (os_strncmp(buf, "STA ", 4) == 0) {
8784                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
8785                                               reply_size);
8786         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
8787                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
8788                                                    reply_size);
8789         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
8790                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
8791                         reply_len = -1;
8792         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
8793                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
8794                         reply_len = -1;
8795         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
8796                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
8797                         reply_len = -1;
8798         } else if (os_strcmp(buf, "STOP_AP") == 0) {
8799                 if (wpas_ap_stop_ap(wpa_s))
8800                         reply_len = -1;
8801 #endif /* CONFIG_AP */
8802         } else if (os_strcmp(buf, "SUSPEND") == 0) {
8803                 wpas_notify_suspend(wpa_s->global);
8804         } else if (os_strcmp(buf, "RESUME") == 0) {
8805                 wpas_notify_resume(wpa_s->global);
8806 #ifdef CONFIG_TESTING_OPTIONS
8807         } else if (os_strcmp(buf, "DROP_SA") == 0) {
8808                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
8809 #endif /* CONFIG_TESTING_OPTIONS */
8810         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
8811                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
8812                         reply_len = -1;
8813         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
8814                 wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
8815         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
8816                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
8817                         reply_len = -1;
8818         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
8819                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
8820                                                                buf + 17))
8821                         reply_len = -1;
8822         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
8823                 wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
8824 #ifdef CONFIG_TDLS
8825         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
8826                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
8827                         reply_len = -1;
8828         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
8829                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
8830                         reply_len = -1;
8831         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
8832                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
8833                         reply_len = -1;
8834         } else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
8835                 if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
8836                                                                buf + 17))
8837                         reply_len = -1;
8838         } else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
8839                 if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
8840                                                                       buf + 24))
8841                         reply_len = -1;
8842         } else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
8843                 reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
8844                         wpa_s, buf + 17, reply, reply_size);
8845 #endif /* CONFIG_TDLS */
8846         } else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
8847                 reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
8848         } else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
8849                 if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
8850                         reply_len = -1;
8851         } else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
8852                 if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
8853                         reply_len = -1;
8854         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
8855                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
8856                                                        reply_size);
8857         } else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
8858                 if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
8859                         reply_len = -1;
8860         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
8861                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
8862                                                        reply_size);
8863 #ifdef CONFIG_AUTOSCAN
8864         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
8865                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
8866                         reply_len = -1;
8867 #endif /* CONFIG_AUTOSCAN */
8868 #ifdef ANDROID
8869         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
8870                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
8871                                                       reply_size);
8872 #endif /* ANDROID */
8873         } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
8874                 reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
8875                                                       reply_size);
8876         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
8877                 pmksa_cache_clear_current(wpa_s->wpa);
8878                 eapol_sm_request_reauth(wpa_s->eapol);
8879 #ifdef CONFIG_WNM
8880         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
8881                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
8882                         reply_len = -1;
8883         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
8884                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
8885                                 reply_len = -1;
8886 #endif /* CONFIG_WNM */
8887         } else if (os_strcmp(buf, "FLUSH") == 0) {
8888                 wpa_supplicant_ctrl_iface_flush(wpa_s);
8889         } else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
8890                 reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
8891                                                  reply_size);
8892 #ifdef CONFIG_TESTING_OPTIONS
8893         } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
8894                 if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
8895                         reply_len = -1;
8896         } else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
8897                 wpas_ctrl_iface_mgmt_tx_done(wpa_s);
8898         } else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
8899                 if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
8900                         reply_len = -1;
8901         } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
8902                 if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
8903                         reply_len = -1;
8904         } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
8905                 if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
8906                         reply_len = -1;
8907         } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
8908                 if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
8909                         reply_len = -1;
8910         } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
8911                 if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
8912                         reply_len = -1;
8913         } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
8914                 if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
8915                         reply_len = -1;
8916         } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
8917                 reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
8918         } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
8919                 if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
8920                         reply_len = -1;
8921         } else if (os_strcmp(buf, "GET_FAIL") == 0) {
8922                 reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
8923         } else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
8924                 if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
8925                         reply_len = -1;
8926         } else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
8927                 if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
8928                         reply_len = -1;
8929 #endif /* CONFIG_TESTING_OPTIONS */
8930         } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
8931                 if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
8932                         reply_len = -1;
8933         } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
8934                 reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
8935                                                       reply_size);
8936         } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
8937                 if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
8938                         reply_len = -1;
8939         } else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
8940                 if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
8941                         reply_len = -1;
8942         } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
8943                 wpas_ctrl_iface_erp_flush(wpa_s);
8944         } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
8945                 if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
8946                         reply_len = -1;
8947         } else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
8948                 reply_len = wpas_ctrl_iface_get_pref_freq_list(
8949                         wpa_s, buf + 19, reply, reply_size);
8950         } else {
8951                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
8952                 reply_len = 16;
8953         }
8954
8955         if (reply_len < 0) {
8956                 os_memcpy(reply, "FAIL\n", 5);
8957                 reply_len = 5;
8958         }
8959
8960         *resp_len = reply_len;
8961         return reply;
8962 }
8963
8964
8965 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
8966                                            char *cmd)
8967 {
8968         struct wpa_interface iface;
8969         char *pos, *extra;
8970         struct wpa_supplicant *wpa_s;
8971         unsigned int create_iface = 0;
8972         u8 mac_addr[ETH_ALEN];
8973         enum wpa_driver_if_type type = WPA_IF_STATION;
8974
8975         /*
8976          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
8977          * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
8978          */
8979         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
8980
8981         os_memset(&iface, 0, sizeof(iface));
8982
8983         do {
8984                 iface.ifname = pos = cmd;
8985                 pos = os_strchr(pos, '\t');
8986                 if (pos)
8987                         *pos++ = '\0';
8988                 if (iface.ifname[0] == '\0')
8989                         return -1;
8990                 if (pos == NULL)
8991                         break;
8992
8993                 iface.confname = pos;
8994                 pos = os_strchr(pos, '\t');
8995                 if (pos)
8996                         *pos++ = '\0';
8997                 if (iface.confname[0] == '\0')
8998                         iface.confname = NULL;
8999                 if (pos == NULL)
9000                         break;
9001
9002                 iface.driver = pos;
9003                 pos = os_strchr(pos, '\t');
9004                 if (pos)
9005                         *pos++ = '\0';
9006                 if (iface.driver[0] == '\0')
9007                         iface.driver = NULL;
9008                 if (pos == NULL)
9009                         break;
9010
9011                 iface.ctrl_interface = pos;
9012                 pos = os_strchr(pos, '\t');
9013                 if (pos)
9014                         *pos++ = '\0';
9015                 if (iface.ctrl_interface[0] == '\0')
9016                         iface.ctrl_interface = NULL;
9017                 if (pos == NULL)
9018                         break;
9019
9020                 iface.driver_param = pos;
9021                 pos = os_strchr(pos, '\t');
9022                 if (pos)
9023                         *pos++ = '\0';
9024                 if (iface.driver_param[0] == '\0')
9025                         iface.driver_param = NULL;
9026                 if (pos == NULL)
9027                         break;
9028
9029                 iface.bridge_ifname = pos;
9030                 pos = os_strchr(pos, '\t');
9031                 if (pos)
9032                         *pos++ = '\0';
9033                 if (iface.bridge_ifname[0] == '\0')
9034                         iface.bridge_ifname = NULL;
9035                 if (pos == NULL)
9036                         break;
9037
9038                 extra = pos;
9039                 pos = os_strchr(pos, '\t');
9040                 if (pos)
9041                         *pos++ = '\0';
9042                 if (!extra[0])
9043                         break;
9044
9045                 if (os_strcmp(extra, "create") == 0) {
9046                         create_iface = 1;
9047                         if (!pos)
9048                                 break;
9049
9050                         if (os_strcmp(pos, "sta") == 0) {
9051                                 type = WPA_IF_STATION;
9052                         } else if (os_strcmp(pos, "ap") == 0) {
9053                                 type = WPA_IF_AP_BSS;
9054                         } else {
9055                                 wpa_printf(MSG_DEBUG,
9056                                            "INTERFACE_ADD unsupported interface type: '%s'",
9057                                            pos);
9058                                 return -1;
9059                         }
9060                 } else {
9061                         wpa_printf(MSG_DEBUG,
9062                                    "INTERFACE_ADD unsupported extra parameter: '%s'",
9063                                    extra);
9064                         return -1;
9065                 }
9066         } while (0);
9067
9068         if (create_iface) {
9069                 wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
9070                            iface.ifname);
9071                 if (!global->ifaces)
9072                         return -1;
9073                 if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
9074                                    NULL, NULL, NULL, mac_addr, NULL) < 0) {
9075                         wpa_printf(MSG_ERROR,
9076                                    "CTRL_IFACE interface creation failed");
9077                         return -1;
9078                 }
9079
9080                 wpa_printf(MSG_DEBUG,
9081                            "CTRL_IFACE interface '%s' created with MAC addr: "
9082                            MACSTR, iface.ifname, MAC2STR(mac_addr));
9083         }
9084
9085         if (wpa_supplicant_get_iface(global, iface.ifname))
9086                 goto fail;
9087
9088         wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
9089         if (!wpa_s)
9090                 goto fail;
9091         wpa_s->added_vif = create_iface;
9092         return 0;
9093
9094 fail:
9095         if (create_iface)
9096                 wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
9097         return -1;
9098 }
9099
9100
9101 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
9102                                               char *cmd)
9103 {
9104         struct wpa_supplicant *wpa_s;
9105         int ret;
9106         unsigned int delete_iface;
9107
9108         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
9109
9110         wpa_s = wpa_supplicant_get_iface(global, cmd);
9111         if (wpa_s == NULL)
9112                 return -1;
9113         delete_iface = wpa_s->added_vif;
9114         ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
9115         if (!ret && delete_iface) {
9116                 wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
9117                            cmd);
9118                 ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
9119         }
9120         return ret;
9121 }
9122
9123
9124 static void wpa_free_iface_info(struct wpa_interface_info *iface)
9125 {
9126         struct wpa_interface_info *prev;
9127
9128         while (iface) {
9129                 prev = iface;
9130                 iface = iface->next;
9131
9132                 os_free(prev->ifname);
9133                 os_free(prev->desc);
9134                 os_free(prev);
9135         }
9136 }
9137
9138
9139 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
9140                                             char *buf, int len)
9141 {
9142         int i, res;
9143         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
9144         char *pos, *end;
9145
9146         for (i = 0; wpa_drivers[i]; i++) {
9147                 const struct wpa_driver_ops *drv = wpa_drivers[i];
9148                 if (drv->get_interfaces == NULL)
9149                         continue;
9150                 tmp = drv->get_interfaces(global->drv_priv[i]);
9151                 if (tmp == NULL)
9152                         continue;
9153
9154                 if (last == NULL)
9155                         iface = last = tmp;
9156                 else
9157                         last->next = tmp;
9158                 while (last->next)
9159                         last = last->next;
9160         }
9161
9162         pos = buf;
9163         end = buf + len;
9164         for (tmp = iface; tmp; tmp = tmp->next) {
9165                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
9166                                   tmp->drv_name, tmp->ifname,
9167                                   tmp->desc ? tmp->desc : "");
9168                 if (os_snprintf_error(end - pos, res)) {
9169                         *pos = '\0';
9170                         break;
9171                 }
9172                 pos += res;
9173         }
9174
9175         wpa_free_iface_info(iface);
9176
9177         return pos - buf;
9178 }
9179
9180
9181 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
9182                                                   char *buf, int len)
9183 {
9184         int res;
9185         char *pos, *end;
9186         struct wpa_supplicant *wpa_s;
9187
9188         wpa_s = global->ifaces;
9189         pos = buf;
9190         end = buf + len;
9191
9192         while (wpa_s) {
9193                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
9194                 if (os_snprintf_error(end - pos, res)) {
9195                         *pos = '\0';
9196                         break;
9197                 }
9198                 pos += res;
9199                 wpa_s = wpa_s->next;
9200         }
9201         return pos - buf;
9202 }
9203
9204
9205 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
9206                                             const char *ifname,
9207                                             char *cmd, size_t *resp_len)
9208 {
9209         struct wpa_supplicant *wpa_s;
9210
9211         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9212                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
9213                         break;
9214         }
9215
9216         if (wpa_s == NULL) {
9217                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
9218                 if (resp)
9219                         *resp_len = os_strlen(resp);
9220                 else
9221                         *resp_len = 1;
9222                 return resp;
9223         }
9224
9225         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
9226 }
9227
9228
9229 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
9230                                                char *buf, size_t *resp_len)
9231 {
9232 #ifdef CONFIG_P2P
9233         static const char * cmd[] = {
9234                 "LIST_NETWORKS",
9235                 "P2P_FIND",
9236                 "P2P_STOP_FIND",
9237                 "P2P_LISTEN",
9238                 "P2P_GROUP_ADD",
9239                 "P2P_GET_PASSPHRASE",
9240                 "P2P_SERVICE_UPDATE",
9241                 "P2P_SERVICE_FLUSH",
9242                 "P2P_FLUSH",
9243                 "P2P_CANCEL",
9244                 "P2P_PRESENCE_REQ",
9245                 "P2P_EXT_LISTEN",
9246                 NULL
9247         };
9248         static const char * prefix[] = {
9249 #ifdef ANDROID
9250                 "DRIVER ",
9251 #endif /* ANDROID */
9252                 "GET_NETWORK ",
9253                 "REMOVE_NETWORK ",
9254                 "P2P_FIND ",
9255                 "P2P_CONNECT ",
9256                 "P2P_LISTEN ",
9257                 "P2P_GROUP_REMOVE ",
9258                 "P2P_GROUP_ADD ",
9259                 "P2P_PROV_DISC ",
9260                 "P2P_SERV_DISC_REQ ",
9261                 "P2P_SERV_DISC_CANCEL_REQ ",
9262                 "P2P_SERV_DISC_RESP ",
9263                 "P2P_SERV_DISC_EXTERNAL ",
9264                 "P2P_SERVICE_ADD ",
9265                 "P2P_SERVICE_DEL ",
9266                 "P2P_SERVICE_REP ",
9267                 "P2P_REJECT ",
9268                 "P2P_INVITE ",
9269                 "P2P_PEER ",
9270                 "P2P_SET ",
9271                 "P2P_UNAUTHORIZE ",
9272                 "P2P_PRESENCE_REQ ",
9273                 "P2P_EXT_LISTEN ",
9274                 "P2P_REMOVE_CLIENT ",
9275                 "WPS_NFC_TOKEN ",
9276                 "WPS_NFC_TAG_READ ",
9277                 "NFC_GET_HANDOVER_SEL ",
9278                 "NFC_GET_HANDOVER_REQ ",
9279                 "NFC_REPORT_HANDOVER ",
9280                 "P2P_ASP_PROVISION ",
9281                 "P2P_ASP_PROVISION_RESP ",
9282                 NULL
9283         };
9284         int found = 0;
9285         int i;
9286
9287         if (global->p2p_init_wpa_s == NULL)
9288                 return NULL;
9289
9290         for (i = 0; !found && cmd[i]; i++) {
9291                 if (os_strcmp(buf, cmd[i]) == 0)
9292                         found = 1;
9293         }
9294
9295         for (i = 0; !found && prefix[i]; i++) {
9296                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
9297                         found = 1;
9298         }
9299
9300         if (found)
9301                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9302                                                          buf, resp_len);
9303 #endif /* CONFIG_P2P */
9304         return NULL;
9305 }
9306
9307
9308 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
9309                                                char *buf, size_t *resp_len)
9310 {
9311 #ifdef CONFIG_WIFI_DISPLAY
9312         if (global->p2p_init_wpa_s == NULL)
9313                 return NULL;
9314         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
9315             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
9316                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
9317                                                          buf, resp_len);
9318 #endif /* CONFIG_WIFI_DISPLAY */
9319         return NULL;
9320 }
9321
9322
9323 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
9324                                            char *buf, size_t *resp_len)
9325 {
9326         char *ret;
9327
9328         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
9329         if (ret)
9330                 return ret;
9331
9332         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
9333         if (ret)
9334                 return ret;
9335
9336         return NULL;
9337 }
9338
9339
9340 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
9341 {
9342         char *value;
9343
9344         value = os_strchr(cmd, ' ');
9345         if (value == NULL)
9346                 return -1;
9347         *value++ = '\0';
9348
9349         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
9350
9351 #ifdef CONFIG_WIFI_DISPLAY
9352         if (os_strcasecmp(cmd, "wifi_display") == 0) {
9353                 wifi_display_enable(global, !!atoi(value));
9354                 return 0;
9355         }
9356 #endif /* CONFIG_WIFI_DISPLAY */
9357
9358         /* Restore cmd to its original value to allow redirection */
9359         value[-1] = ' ';
9360
9361         return -1;
9362 }
9363
9364
9365 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
9366                                               char *cmd)
9367 {
9368         struct wpa_supplicant *wpa_s[2]; /* src, dst */
9369         char *p;
9370         unsigned int i;
9371
9372         /* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
9373          * <variable name> */
9374
9375         for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
9376                 p = os_strchr(cmd, ' ');
9377                 if (p == NULL)
9378                         return -1;
9379                 *p = '\0';
9380
9381                 wpa_s[i] = global->ifaces;
9382                 for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
9383                         if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
9384                                 break;
9385                 }
9386
9387                 if (!wpa_s[i]) {
9388                         wpa_printf(MSG_DEBUG,
9389                                    "CTRL_IFACE: Could not find iface=%s", cmd);
9390                         return -1;
9391                 }
9392
9393                 cmd = p + 1;
9394         }
9395
9396         return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
9397 }
9398
9399
9400 #ifndef CONFIG_NO_CONFIG_WRITE
9401 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
9402 {
9403         int ret = 0, saved = 0;
9404         struct wpa_supplicant *wpa_s;
9405
9406         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9407                 if (!wpa_s->conf->update_config) {
9408                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
9409                         continue;
9410                 }
9411
9412                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
9413                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
9414                         ret = 1;
9415                 } else {
9416                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
9417                         saved++;
9418                 }
9419         }
9420
9421         if (!saved && !ret) {
9422                 wpa_dbg(wpa_s, MSG_DEBUG,
9423                         "CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
9424                 ret = 1;
9425         }
9426
9427         return ret;
9428 }
9429 #endif /* CONFIG_NO_CONFIG_WRITE */
9430
9431
9432 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
9433                                          char *buf, size_t buflen)
9434 {
9435         char *pos, *end;
9436         int ret;
9437         struct wpa_supplicant *wpa_s;
9438
9439         pos = buf;
9440         end = buf + buflen;
9441
9442 #ifdef CONFIG_P2P
9443         if (global->p2p && !global->p2p_disabled) {
9444                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
9445                                   "\n"
9446                                   "p2p_state=%s\n",
9447                                   MAC2STR(global->p2p_dev_addr),
9448                                   p2p_get_state_txt(global->p2p));
9449                 if (os_snprintf_error(end - pos, ret))
9450                         return pos - buf;
9451                 pos += ret;
9452         } else if (global->p2p) {
9453                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
9454                 if (os_snprintf_error(end - pos, ret))
9455                         return pos - buf;
9456                 pos += ret;
9457         }
9458 #endif /* CONFIG_P2P */
9459
9460 #ifdef CONFIG_WIFI_DISPLAY
9461         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
9462                           !!global->wifi_display);
9463         if (os_snprintf_error(end - pos, ret))
9464                 return pos - buf;
9465         pos += ret;
9466 #endif /* CONFIG_WIFI_DISPLAY */
9467
9468         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
9469                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
9470                                   "address=" MACSTR "\n",
9471                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
9472                 if (os_snprintf_error(end - pos, ret))
9473                         return pos - buf;
9474                 pos += ret;
9475         }
9476
9477         return pos - buf;
9478 }
9479
9480
9481 #ifdef CONFIG_FST
9482
9483 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
9484                                              char *cmd, char *buf,
9485                                              size_t reply_size)
9486 {
9487         char ifname[IFNAMSIZ + 1];
9488         struct fst_iface_cfg cfg;
9489         struct wpa_supplicant *wpa_s;
9490         struct fst_wpa_obj iface_obj;
9491
9492         if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
9493                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9494                 if (wpa_s) {
9495                         if (wpa_s->fst) {
9496                                 wpa_printf(MSG_INFO, "FST: Already attached");
9497                                 return -1;
9498                         }
9499                         fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
9500                         wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
9501                                                 &iface_obj, &cfg);
9502                         if (wpa_s->fst)
9503                                 return os_snprintf(buf, reply_size, "OK\n");
9504                 }
9505         }
9506
9507         return -1;
9508 }
9509
9510
9511 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
9512                                              char *cmd, char *buf,
9513                                              size_t reply_size)
9514 {
9515         char ifname[IFNAMSIZ + 1];
9516         struct wpa_supplicant *wpa_s;
9517
9518         if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
9519                 wpa_s = wpa_supplicant_get_iface(global, ifname);
9520                 if (wpa_s) {
9521                         if (!fst_iface_detach(ifname)) {
9522                                 wpa_s->fst = NULL;
9523                                 return os_snprintf(buf, reply_size, "OK\n");
9524                         }
9525                 }
9526         }
9527
9528         return -1;
9529 }
9530
9531 #endif /* CONFIG_FST */
9532
9533
9534 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
9535                                                 char *buf, size_t *resp_len)
9536 {
9537         char *reply;
9538         const int reply_size = 2048;
9539         int reply_len;
9540         int level = MSG_DEBUG;
9541
9542         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
9543                 char *pos = os_strchr(buf + 7, ' ');
9544                 if (pos) {
9545                         *pos++ = '\0';
9546                         return wpas_global_ctrl_iface_ifname(global,
9547                                                              buf + 7, pos,
9548                                                              resp_len);
9549                 }
9550         }
9551
9552         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
9553         if (reply)
9554                 return reply;
9555
9556         if (os_strcmp(buf, "PING") == 0)
9557                 level = MSG_EXCESSIVE;
9558         wpa_hexdump_ascii(level, "RX global ctrl_iface",
9559                           (const u8 *) buf, os_strlen(buf));
9560
9561         reply = os_malloc(reply_size);
9562         if (reply == NULL) {
9563                 *resp_len = 1;
9564                 return NULL;
9565         }
9566
9567         os_memcpy(reply, "OK\n", 3);
9568         reply_len = 3;
9569
9570         if (os_strcmp(buf, "PING") == 0) {
9571                 os_memcpy(reply, "PONG\n", 5);
9572                 reply_len = 5;
9573         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
9574                 if (wpa_supplicant_global_iface_add(global, buf + 14))
9575                         reply_len = -1;
9576         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
9577                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
9578                         reply_len = -1;
9579         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9580                 reply_len = wpa_supplicant_global_iface_list(
9581                         global, reply, reply_size);
9582         } else if (os_strcmp(buf, "INTERFACES") == 0) {
9583                 reply_len = wpa_supplicant_global_iface_interfaces(
9584                         global, reply, reply_size);
9585 #ifdef CONFIG_FST
9586         } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
9587                 reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
9588                                                               reply,
9589                                                               reply_size);
9590         } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
9591                 reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
9592                                                               reply,
9593                                                               reply_size);
9594         } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
9595                 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
9596 #endif /* CONFIG_FST */
9597         } else if (os_strcmp(buf, "TERMINATE") == 0) {
9598                 wpa_supplicant_terminate_proc(global);
9599         } else if (os_strcmp(buf, "SUSPEND") == 0) {
9600                 wpas_notify_suspend(global);
9601         } else if (os_strcmp(buf, "RESUME") == 0) {
9602                 wpas_notify_resume(global);
9603         } else if (os_strncmp(buf, "SET ", 4) == 0) {
9604                 if (wpas_global_ctrl_iface_set(global, buf + 4)) {
9605 #ifdef CONFIG_P2P
9606                         if (global->p2p_init_wpa_s) {
9607                                 os_free(reply);
9608                                 /* Check if P2P redirection would work for this
9609                                  * command. */
9610                                 return wpa_supplicant_ctrl_iface_process(
9611                                         global->p2p_init_wpa_s,
9612                                         buf, resp_len);
9613                         }
9614 #endif /* CONFIG_P2P */
9615                         reply_len = -1;
9616                 }
9617         } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9618                 if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
9619                         reply_len = -1;
9620 #ifndef CONFIG_NO_CONFIG_WRITE
9621         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9622                 if (wpas_global_ctrl_iface_save_config(global))
9623                         reply_len = -1;
9624 #endif /* CONFIG_NO_CONFIG_WRITE */
9625         } else if (os_strcmp(buf, "STATUS") == 0) {
9626                 reply_len = wpas_global_ctrl_iface_status(global, reply,
9627                                                           reply_size);
9628 #ifdef CONFIG_MODULE_TESTS
9629         } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
9630                 int wpas_module_tests(void);
9631                 if (wpas_module_tests() < 0)
9632                         reply_len = -1;
9633 #endif /* CONFIG_MODULE_TESTS */
9634         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
9635                 if (wpa_debug_reopen_file() < 0)
9636                         reply_len = -1;
9637         } else {
9638                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
9639                 reply_len = 16;
9640         }
9641
9642         if (reply_len < 0) {
9643                 os_memcpy(reply, "FAIL\n", 5);
9644                 reply_len = 5;
9645         }
9646
9647         *resp_len = reply_len;
9648         return reply;
9649 }